Updating fonttools 4.31.2 to fonttools 4.33.3

Test: treehugger
Change-Id: I9367f96628439f01492f561c1ef52a561b7194d8

59 files changed, 11332 insertions, 284 deletions

diff --git a/Tests/config_test.py b/Tests/config_test.py
new file mode 100644
index 00000000..58163913
--- /dev/null
+++ b/Tests/config_test.py
@@ -0,0 +1,135 @@
+from fontTools.misc.configTools import AbstractConfig, Options
+import pytest
+from fontTools.config import (
+    OPTIONS,
+    Config,
+    ConfigUnknownOptionError,
+    ConfigValueParsingError,
+    ConfigValueValidationError,
+)
+from fontTools.ttLib import TTFont
+
+
+def test_can_register_option():
+    MY_OPTION = Config.register_option(
+        name="tests:MY_OPTION",
+        help="Test option, value should be True or False, default = True",
+        default=True,
+        parse=lambda v: v in ("True", "true", 1, True),
+        validate=lambda v: v == True or v == False,
+    )
+
+    assert MY_OPTION.name == "tests:MY_OPTION"
+    assert (
+        MY_OPTION.help == "Test option, value should be True or False, default = True"
+    )
+    assert MY_OPTION.default == True
+    assert MY_OPTION.parse("true") == True
+    assert MY_OPTION.validate("hello") == False
+
+    ttFont = TTFont(cfg={"tests:MY_OPTION": True})
+    assert True == ttFont.cfg.get("tests:MY_OPTION")
+    assert True == ttFont.cfg.get(MY_OPTION)
+
+
+# to parametrize tests of Config mapping interface accepting either a str or Option
+@pytest.fixture(
+    params=[
+        pytest.param("fontTools.otlLib.optimize.gpos:COMPRESSION_LEVEL", id="str"),
+        pytest.param(
+            OPTIONS["fontTools.otlLib.optimize.gpos:COMPRESSION_LEVEL"], id="Option"
+        ),
+    ]
+)
+def COMPRESSION_LEVEL(request):
+    return request.param
+
+
+def test_ttfont_has_config(COMPRESSION_LEVEL):
+    ttFont = TTFont(cfg={COMPRESSION_LEVEL: 8})
+    assert 8 == ttFont.cfg.get(COMPRESSION_LEVEL)
+
+
+def test_ttfont_can_take_superset_of_fonttools_config(COMPRESSION_LEVEL):
+    # Create MyConfig with all options from fontTools.config plus some
+    my_options = Options(Config.options)
+    MY_OPTION = my_options.register("custom:my_option", "help", "default", str, any)
+
+    class MyConfig(AbstractConfig):
+        options = my_options
+
+    ttFont = TTFont(cfg=MyConfig({"custom:my_option": "my_value"}))
+    assert 0 == ttFont.cfg.get(COMPRESSION_LEVEL)
+    assert "my_value" == ttFont.cfg.get(MY_OPTION)
+
+    # but the default Config doens't know about MY_OPTION
+    with pytest.raises(ConfigUnknownOptionError):
+        TTFont(cfg={MY_OPTION: "my_value"})
+
+
+def test_no_config_returns_default_values(COMPRESSION_LEVEL):
+    ttFont = TTFont()
+    assert 0 == ttFont.cfg.get(COMPRESSION_LEVEL)
+    assert 3 == ttFont.cfg.get(COMPRESSION_LEVEL, 3)
+
+
+def test_can_set_config(COMPRESSION_LEVEL):
+    ttFont = TTFont()
+    ttFont.cfg.set(COMPRESSION_LEVEL, 5)
+    assert 5 == ttFont.cfg.get(COMPRESSION_LEVEL)
+    ttFont.cfg.set(COMPRESSION_LEVEL, 6)
+    assert 6 == ttFont.cfg.get(COMPRESSION_LEVEL)
+
+
+def test_different_ttfonts_have_different_configs(COMPRESSION_LEVEL):
+    cfg = Config({COMPRESSION_LEVEL: 5})
+    ttFont1 = TTFont(cfg=cfg)
+    ttFont2 = TTFont(cfg=cfg)
+    ttFont2.cfg.set(COMPRESSION_LEVEL, 6)
+    assert 5 == ttFont1.cfg.get(COMPRESSION_LEVEL)
+    assert 6 == ttFont2.cfg.get(COMPRESSION_LEVEL)
+
+
+def test_cannot_set_inexistent_key():
+    with pytest.raises(ConfigUnknownOptionError):
+        TTFont(cfg={"notALib.notAModule.inexistent": 4})
+
+
+def test_value_not_parsed_by_default(COMPRESSION_LEVEL):
+    # Note: value given as a string
+    with pytest.raises(ConfigValueValidationError):
+        TTFont(cfg={COMPRESSION_LEVEL: "8"})
+
+
+def test_value_gets_parsed_if_asked(COMPRESSION_LEVEL):
+    # Note: value given as a string
+    ttFont = TTFont(cfg=Config({COMPRESSION_LEVEL: "8"}, parse_values=True))
+    assert 8 == ttFont.cfg.get(COMPRESSION_LEVEL)
+
+
+def test_value_parsing_can_error(COMPRESSION_LEVEL):
+    with pytest.raises(ConfigValueParsingError):
+        TTFont(
+            cfg=Config(
+                {COMPRESSION_LEVEL: "not an int"},
+                parse_values=True,
+            )
+        )
+
+
+def test_value_gets_validated(COMPRESSION_LEVEL):
+    # Note: 12 is not a valid value for GPOS compression level (must be in 0-9)
+    with pytest.raises(ConfigValueValidationError):
+        TTFont(cfg={COMPRESSION_LEVEL: 12})
+
+
+def test_implements_mutable_mapping(COMPRESSION_LEVEL):
+    cfg = Config()
+    cfg[COMPRESSION_LEVEL] = 2
+    assert 2 == cfg[COMPRESSION_LEVEL]
+    assert list(iter(cfg))
+    assert 1 == len(cfg)
+    del cfg[COMPRESSION_LEVEL]
+    assert 0 == cfg[COMPRESSION_LEVEL]
+    assert not list(iter(cfg))
+    assert 0 == len(cfg)
diff --git a/Tests/designspaceLib/__init__.py b/Tests/designspaceLib/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/Tests/designspaceLib/__init__.py
diff --git a/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_Wght.designspace b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_Wght.designspace
new file mode 100644
index 00000000..aa8e4f9c
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_Wght.designspace
@@ -0,0 +1,114 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_WghtWdth.designspace b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_WghtWdth.designspace
new file mode 100644
index 00000000..2e22c019
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Italics_WghtWdth.designspace
@@ -0,0 +1,316 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_It.ufo" name="Aktiv Grotesk Ex Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_BlkIt.ufo" name="Aktiv Grotesk Cd Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_BlkIt.ufo" name="Aktiv Grotesk Ex Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair Italic" familyname="Aktiv Grotesk" stylename="Cd Hair Italic" filename="../instances/AktivGroteskCd_HairIt.ufo" postscriptfontname="AktivGrotesk-CdHairItalic" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair Italic" familyname="Aktiv Grotesk" stylename="Ex Hair Italic" filename="../instances/AktivGroteskEx_HairIt.ufo" postscriptfontname="AktivGrotesk-ExHairItalic" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin Italic" familyname="Aktiv Grotesk" stylename="Cd Thin Italic" filename="../instances/AktivGroteskCd_ThIt.ufo" postscriptfontname="AktivGrotesk-CdThinItalic" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin Italic" familyname="Aktiv Grotesk" stylename="Ex Thin Italic" filename="../instances/AktivGroteskEx_ThIt.ufo" postscriptfontname="AktivGrotesk-ExThinItalic" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light Italic" familyname="Aktiv Grotesk" stylename="Cd Light Italic" filename="../instances/AktivGroteskCd_LtIt.ufo" postscriptfontname="AktivGrotesk-CdLightItalic" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light Italic" familyname="Aktiv Grotesk" stylename="Ex Light Italic" filename="../instances/AktivGroteskEx_LtIt.ufo" postscriptfontname="AktivGrotesk-ExLightItalic" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Italic" familyname="Aktiv Grotesk" stylename="Cd Italic" filename="../instances/AktivGroteskCd_It.ufo" postscriptfontname="AktivGrotesk-CdItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Italic" familyname="Aktiv Grotesk" stylename="Ex Italic" filename="../instances/AktivGroteskEx_It.ufo" postscriptfontname="AktivGrotesk-ExItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium Italic" familyname="Aktiv Grotesk" stylename="Cd Medium Italic" filename="../instances/AktivGroteskCd_MdIt.ufo" postscriptfontname="AktivGrotesk-CdMediumItalic" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium Italic" familyname="Aktiv Grotesk" stylename="Ex Medium Italic" filename="../instances/AktivGroteskEx_MdIt.ufo" postscriptfontname="AktivGrotesk-ExMediumItalic" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold Italic" familyname="Aktiv Grotesk" stylename="Cd SemiBold Italic" filename="../../build/instances/AktivGroteskCd_SBdIt.ufo" postscriptfontname="AktivGrotesk-CdSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold Italic" familyname="Aktiv Grotesk" stylename="Ex SemiBold Italic" filename="../../build/instances/AktivGroteskEx_SBdIt.ufo" postscriptfontname="AktivGrotesk-ExSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold Italic" familyname="Aktiv Grotesk" stylename="Cd Bold Italic" filename="../instances/AktivGroteskCd_BdIt.ufo" postscriptfontname="AktivGrotesk-CdBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold Italic" familyname="Aktiv Grotesk" stylename="Ex Bold Italic" filename="../instances/AktivGroteskEx_BdIt.ufo" postscriptfontname="AktivGrotesk-ExBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold Italic" familyname="Aktiv Grotesk" stylename="Cd XBold Italic" filename="../instances/AktivGroteskCd_XBdIt.ufo" postscriptfontname="AktivGrotesk-CdXBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold Italic" familyname="Aktiv Grotesk" stylename="Ex XBold Italic" filename="../instances/AktivGroteskEx_XBdIt.ufo" postscriptfontname="AktivGrotesk-ExXBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black Italic" familyname="Aktiv Grotesk" stylename="Cd Black Italic" filename="../instances/AktivGroteskCd_BlkIt.ufo" postscriptfontname="AktivGrotesk-CdBlackItalic" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black Italic" familyname="Aktiv Grotesk" stylename="Ex Black Italic" filename="../instances/AktivGroteskEx_BlkIt.ufo" postscriptfontname="AktivGrotesk-ExBlackItalic" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Wght.designspace b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Wght.designspace
new file mode 100644
index 00000000..2ae35f77
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_Wght.designspace
@@ -0,0 +1,103 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+  </axes>
+  <sources>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdth.designspace b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdth.designspace
new file mode 100644
index 00000000..219d2262
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdth.designspace
@@ -0,0 +1,307 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Rg.ufo" name="Aktiv Grotesk Ex">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Blk.ufo" name="Aktiv Grotesk Cd Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Blk.ufo" name="Aktiv Grotesk Ex Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair" familyname="Aktiv Grotesk" stylename="Cd Hair" filename="../instances/AktivGroteskCd_Hair.ufo" postscriptfontname="AktivGrotesk-CdHair" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair" familyname="Aktiv Grotesk" stylename="Ex Hair" filename="../instances/AktivGroteskEx_Hair.ufo" postscriptfontname="AktivGrotesk-ExHair" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin" familyname="Aktiv Grotesk" stylename="Cd Thin" filename="../instances/AktivGroteskCd_Th.ufo" postscriptfontname="AktivGrotesk-CdThin" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin" familyname="Aktiv Grotesk" stylename="Ex Thin" filename="../instances/AktivGroteskEx_Th.ufo" postscriptfontname="AktivGrotesk-ExThin" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light" familyname="Aktiv Grotesk" stylename="Cd Light" filename="../instances/AktivGroteskCd_Lt.ufo" postscriptfontname="AktivGrotesk-CdLight" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light" familyname="Aktiv Grotesk" stylename="Ex Light" filename="../instances/AktivGroteskEx_Lt.ufo" postscriptfontname="AktivGrotesk-ExLight" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd" familyname="Aktiv Grotesk" stylename="Cd" filename="../instances/AktivGroteskCd_Rg.ufo" postscriptfontname="AktivGrotesk-Cd" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex" familyname="Aktiv Grotesk" stylename="Ex" filename="../instances/AktivGroteskEx_Rg.ufo" postscriptfontname="AktivGrotesk-Ex" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium" familyname="Aktiv Grotesk" stylename="Cd Medium" filename="../instances/AktivGroteskCd_Md.ufo" postscriptfontname="AktivGrotesk-CdMedium" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium" familyname="Aktiv Grotesk" stylename="Ex Medium" filename="../instances/AktivGroteskEx_Md.ufo" postscriptfontname="AktivGrotesk-ExMedium" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold" familyname="Aktiv Grotesk" stylename="Cd SemiBold" filename="../../build/instances/AktivGroteskCd_SBd.ufo" postscriptfontname="AktivGrotesk-CdSemiBold" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold" familyname="Aktiv Grotesk" stylename="Ex SemiBold" filename="../../build/instances/AktivGroteskEx_SBd.ufo" postscriptfontname="AktivGrotesk-ExSemiBold" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold" familyname="Aktiv Grotesk" stylename="Cd Bold" filename="../instances/AktivGroteskCd_Bd.ufo" postscriptfontname="AktivGrotesk-CdBold" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold" familyname="Aktiv Grotesk" stylename="Ex Bold" filename="../instances/AktivGroteskEx_Bd.ufo" postscriptfontname="AktivGrotesk-ExBold" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold" familyname="Aktiv Grotesk" stylename="Cd XBold" filename="../instances/AktivGroteskCd_XBd.ufo" postscriptfontname="AktivGrotesk-CdXBold" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold" familyname="Aktiv Grotesk" stylename="Ex XBold" filename="../instances/AktivGroteskEx_XBd.ufo" postscriptfontname="AktivGrotesk-ExXBold" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black" familyname="Aktiv Grotesk" stylename="Cd Black" filename="../instances/AktivGroteskCd_Blk.ufo" postscriptfontname="AktivGrotesk-CdBlack" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black" familyname="Aktiv Grotesk" stylename="Ex Black" filename="../instances/AktivGroteskEx_Blk.ufo" postscriptfontname="AktivGrotesk-ExBlack" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdthItal.designspace b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdthItal.designspace
new file mode 100644
index 00000000..5b419bad
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/AktivGroteskVF_WghtWdthItal.designspace
@@ -0,0 +1,670 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+    <axis tag="ital" name="Italic" minimum="0" maximum="1" default="0"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <conditionset>
+        <condition name="Italic" minimum="0.1" maximum="1"/>
+      </conditionset>
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Rg.ufo" name="Aktiv Grotesk Ex">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_It.ufo" name="Aktiv Grotesk Ex Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Blk.ufo" name="Aktiv Grotesk Cd Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_BlkIt.ufo" name="Aktiv Grotesk Cd Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Blk.ufo" name="Aktiv Grotesk Ex Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_BlkIt.ufo" name="Aktiv Grotesk Ex Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair" familyname="Aktiv Grotesk" stylename="Cd Hair" filename="../instances/AktivGroteskCd_Hair.ufo" postscriptfontname="AktivGrotesk-CdHair" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Hair Italic" familyname="Aktiv Grotesk" stylename="Cd Hair Italic" filename="../instances/AktivGroteskCd_HairIt.ufo" postscriptfontname="AktivGrotesk-CdHairItalic" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair" familyname="Aktiv Grotesk" stylename="Ex Hair" filename="../instances/AktivGroteskEx_Hair.ufo" postscriptfontname="AktivGrotesk-ExHair" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair Italic" familyname="Aktiv Grotesk" stylename="Ex Hair Italic" filename="../instances/AktivGroteskEx_HairIt.ufo" postscriptfontname="AktivGrotesk-ExHairItalic" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin" familyname="Aktiv Grotesk" stylename="Cd Thin" filename="../instances/AktivGroteskCd_Th.ufo" postscriptfontname="AktivGrotesk-CdThin" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin Italic" familyname="Aktiv Grotesk" stylename="Cd Thin Italic" filename="../instances/AktivGroteskCd_ThIt.ufo" postscriptfontname="AktivGrotesk-CdThinItalic" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin" familyname="Aktiv Grotesk" stylename="Ex Thin" filename="../instances/AktivGroteskEx_Th.ufo" postscriptfontname="AktivGrotesk-ExThin" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin Italic" familyname="Aktiv Grotesk" stylename="Ex Thin Italic" filename="../instances/AktivGroteskEx_ThIt.ufo" postscriptfontname="AktivGrotesk-ExThinItalic" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light" familyname="Aktiv Grotesk" stylename="Cd Light" filename="../instances/AktivGroteskCd_Lt.ufo" postscriptfontname="AktivGrotesk-CdLight" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light Italic" familyname="Aktiv Grotesk" stylename="Cd Light Italic" filename="../instances/AktivGroteskCd_LtIt.ufo" postscriptfontname="AktivGrotesk-CdLightItalic" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light" familyname="Aktiv Grotesk" stylename="Ex Light" filename="../instances/AktivGroteskEx_Lt.ufo" postscriptfontname="AktivGrotesk-ExLight" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light Italic" familyname="Aktiv Grotesk" stylename="Ex Light Italic" filename="../instances/AktivGroteskEx_LtIt.ufo" postscriptfontname="AktivGrotesk-ExLightItalic" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd" familyname="Aktiv Grotesk" stylename="Cd" filename="../instances/AktivGroteskCd_Rg.ufo" postscriptfontname="AktivGrotesk-Cd" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Italic" familyname="Aktiv Grotesk" stylename="Cd Italic" filename="../instances/AktivGroteskCd_It.ufo" postscriptfontname="AktivGrotesk-CdItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex" familyname="Aktiv Grotesk" stylename="Ex" filename="../instances/AktivGroteskEx_Rg.ufo" postscriptfontname="AktivGrotesk-Ex" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Italic" familyname="Aktiv Grotesk" stylename="Ex Italic" filename="../instances/AktivGroteskEx_It.ufo" postscriptfontname="AktivGrotesk-ExItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium" familyname="Aktiv Grotesk" stylename="Cd Medium" filename="../instances/AktivGroteskCd_Md.ufo" postscriptfontname="AktivGrotesk-CdMedium" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium Italic" familyname="Aktiv Grotesk" stylename="Cd Medium Italic" filename="../instances/AktivGroteskCd_MdIt.ufo" postscriptfontname="AktivGrotesk-CdMediumItalic" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium" familyname="Aktiv Grotesk" stylename="Ex Medium" filename="../instances/AktivGroteskEx_Md.ufo" postscriptfontname="AktivGrotesk-ExMedium" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium Italic" familyname="Aktiv Grotesk" stylename="Ex Medium Italic" filename="../instances/AktivGroteskEx_MdIt.ufo" postscriptfontname="AktivGrotesk-ExMediumItalic" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold" familyname="Aktiv Grotesk" stylename="Cd SemiBold" filename="../../build/instances/AktivGroteskCd_SBd.ufo" postscriptfontname="AktivGrotesk-CdSemiBold" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold Italic" familyname="Aktiv Grotesk" stylename="Cd SemiBold Italic" filename="../../build/instances/AktivGroteskCd_SBdIt.ufo" postscriptfontname="AktivGrotesk-CdSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold" familyname="Aktiv Grotesk" stylename="Ex SemiBold" filename="../../build/instances/AktivGroteskEx_SBd.ufo" postscriptfontname="AktivGrotesk-ExSemiBold" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold Italic" familyname="Aktiv Grotesk" stylename="Ex SemiBold Italic" filename="../../build/instances/AktivGroteskEx_SBdIt.ufo" postscriptfontname="AktivGrotesk-ExSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold" familyname="Aktiv Grotesk" stylename="Cd Bold" filename="../instances/AktivGroteskCd_Bd.ufo" postscriptfontname="AktivGrotesk-CdBold" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold Italic" familyname="Aktiv Grotesk" stylename="Cd Bold Italic" filename="../instances/AktivGroteskCd_BdIt.ufo" postscriptfontname="AktivGrotesk-CdBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold" familyname="Aktiv Grotesk" stylename="Ex Bold" filename="../instances/AktivGroteskEx_Bd.ufo" postscriptfontname="AktivGrotesk-ExBold" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold Italic" familyname="Aktiv Grotesk" stylename="Ex Bold Italic" filename="../instances/AktivGroteskEx_BdIt.ufo" postscriptfontname="AktivGrotesk-ExBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold" familyname="Aktiv Grotesk" stylename="Cd XBold" filename="../instances/AktivGroteskCd_XBd.ufo" postscriptfontname="AktivGrotesk-CdXBold" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold Italic" familyname="Aktiv Grotesk" stylename="Cd XBold Italic" filename="../instances/AktivGroteskCd_XBdIt.ufo" postscriptfontname="AktivGrotesk-CdXBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold" familyname="Aktiv Grotesk" stylename="Ex XBold" filename="../instances/AktivGroteskEx_XBd.ufo" postscriptfontname="AktivGrotesk-ExXBold" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold Italic" familyname="Aktiv Grotesk" stylename="Ex XBold Italic" filename="../instances/AktivGroteskEx_XBdIt.ufo" postscriptfontname="AktivGrotesk-ExXBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black" familyname="Aktiv Grotesk" stylename="Cd Black" filename="../instances/AktivGroteskCd_Blk.ufo" postscriptfontname="AktivGrotesk-CdBlack" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black Italic" familyname="Aktiv Grotesk" stylename="Cd Black Italic" filename="../instances/AktivGroteskCd_BlkIt.ufo" postscriptfontname="AktivGrotesk-CdBlackItalic" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black" familyname="Aktiv Grotesk" stylename="Ex Black" filename="../instances/AktivGroteskEx_Blk.ufo" postscriptfontname="AktivGrotesk-ExBlack" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black Italic" familyname="Aktiv Grotesk" stylename="Ex Black Italic" filename="../instances/AktivGroteskEx_BlkIt.ufo" postscriptfontname="AktivGrotesk-ExBlackItalic" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Italic.designspace b/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Italic.designspace
new file mode 100644
index 00000000..adfe245d
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Italic.designspace
@@ -0,0 +1,326 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif-Italic_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif-Italic_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif-Italic_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif-Italic_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif-Italic_1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif-Italic_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif-Italic_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif-Italic_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif-Italic_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight Italic" familyname="Source Serif 4" stylename="Caption ExtraLight Italic" filename="Source Serif 4-Caption ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Light Italic" familyname="Source Serif 4" stylename="Caption Light Italic" filename="Source Serif 4-Caption Light Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Italic" familyname="Source Serif 4" stylename="Caption Italic" filename="Source Serif 4-Caption Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold Italic" familyname="Source Serif 4" stylename="Caption Semibold Italic" filename="Source Serif 4-Caption Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold Italic" familyname="Source Serif 4" stylename="Caption Bold Italic" filename="Source Serif 4-Caption Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Black Italic" familyname="Source Serif 4" stylename="Caption Black Italic" filename="Source Serif 4-Caption Black Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight Italic" familyname="Source Serif 4" stylename="SmText ExtraLight Italic" filename="Source Serif 4-SmText ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Light Italic" familyname="Source Serif 4" stylename="SmText Light Italic" filename="Source Serif 4-SmText Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Italic" familyname="Source Serif 4" stylename="SmText Italic" filename="Source Serif 4-SmText Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold Italic" familyname="Source Serif 4" stylename="SmText Semibold Italic" filename="Source Serif 4-SmText Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold Italic" familyname="Source Serif 4" stylename="SmText Bold Italic" filename="Source Serif 4-SmText Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Black Italic" familyname="Source Serif 4" stylename="SmText Black Italic" filename="Source Serif 4-SmText Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight Italic" familyname="Source Serif 4" stylename="ExtraLight Italic" filename="Source Serif 4-ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Light Italic" familyname="Source Serif 4" stylename="Light Italic" filename="Source Serif 4-Light Italic.ttf" postscriptfontname="SourceSerif4Italic-Light" stylemapfamilyname="Source Serif 4 Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Italic" familyname="Source Serif 4" stylename="Italic" filename="Source Serif 4-Italic.ttf" postscriptfontname="SourceSerif4Italic-Regular" stylemapfamilyname="Source Serif 4 Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Semibold Italic" familyname="Source Serif 4" stylename="Semibold Italic" filename="Source Serif 4-Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-Semibold" stylemapfamilyname="Source Serif 4 Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Bold Italic" familyname="Source Serif 4" stylename="Bold Italic" filename="Source Serif 4-Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-Bold" stylemapfamilyname="Source Serif 4 Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Black Italic" familyname="Source Serif 4" stylename="Black Italic" filename="Source Serif 4-Black Italic.ttf" postscriptfontname="SourceSerif4Italic-Black" stylemapfamilyname="Source Serif 4 Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight Italic" familyname="Source Serif 4" stylename="Subhead ExtraLight Italic" filename="Source Serif 4-Subhead ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light Italic" familyname="Source Serif 4" stylename="Subhead Light Italic" filename="Source Serif 4-Subhead Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Italic" familyname="Source Serif 4" stylename="Subhead Italic" filename="Source Serif 4-Subhead Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold Italic" familyname="Source Serif 4" stylename="Subhead Semibold Italic" filename="Source Serif 4-Subhead Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold Italic" familyname="Source Serif 4" stylename="Subhead Bold Italic" filename="Source Serif 4-Subhead Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black Italic" familyname="Source Serif 4" stylename="Subhead Black Italic" filename="Source Serif 4-Subhead Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight Italic" familyname="Source Serif 4" stylename="Display ExtraLight Italic" filename="Source Serif 4-Display ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Light Italic" familyname="Source Serif 4" stylename="Display Light Italic" filename="Source Serif 4-Display Light Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Italic" familyname="Source Serif 4" stylename="Display Italic" filename="Source Serif 4-Display Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayRegular" stylemapfamilyname="Source Serif 4 Display Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold Italic" familyname="Source Serif 4" stylename="Display Semibold Italic" filename="Source Serif 4-Display Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Bold Italic" familyname="Source Serif 4" stylename="Display Bold Italic" filename="Source Serif 4-Display Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Black Italic" familyname="Source Serif 4" stylename="Display Black Italic" filename="Source Serif 4-Display Black Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+  <lib>
+    <dict>
+      <key>public.skipExportGlyphs</key>
+      <array>
+        <string>caron.alt</string>
+        <string>commabelowcmb.alt</string>
+        <string>f.liga</string>
+        <string>f.ligalong</string>
+        <string>tonos.cap</string>
+        <string>dieresiscmb.tight</string>
+        <string>turkicdsccmb</string>
+      </array>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Roman.designspace b/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Roman.designspace
new file mode 100644
index 00000000..30f181e3
--- /dev/null
+++ b/Tests/designspaceLib/data/convert5to4_output/SourceSerif4Variable-Roman.designspace
@@ -0,0 +1,334 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="4.1">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif_1.ufo" familyname="Source Serif 4">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight" familyname="Source Serif 4" stylename="Caption ExtraLight" filename="Source Serif 4-Caption ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Light" familyname="Source Serif 4" stylename="Caption Light" filename="Source Serif 4-Caption Light.ttf" postscriptfontname="SourceSerif4Roman-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption" familyname="Source Serif 4" stylename="Caption" filename="Source Serif 4-Caption.ttf" postscriptfontname="SourceSerif4Roman-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold" familyname="Source Serif 4" stylename="Caption Semibold" filename="Source Serif 4-Caption Semibold.ttf" postscriptfontname="SourceSerif4Roman-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold" familyname="Source Serif 4" stylename="Caption Bold" filename="Source Serif 4-Caption Bold.ttf" postscriptfontname="SourceSerif4Roman-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Caption Black" familyname="Source Serif 4" stylename="Caption Black" filename="Source Serif 4-Caption Black.ttf" postscriptfontname="SourceSerif4Roman-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight" familyname="Source Serif 4" stylename="SmText ExtraLight" filename="Source Serif 4-SmText ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Light" familyname="Source Serif 4" stylename="SmText Light" filename="Source Serif 4-SmText Light.ttf" postscriptfontname="SourceSerif4Roman-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText" familyname="Source Serif 4" stylename="SmText" filename="Source Serif 4-SmText.ttf" postscriptfontname="SourceSerif4Roman-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold" familyname="Source Serif 4" stylename="SmText Semibold" filename="Source Serif 4-SmText Semibold.ttf" postscriptfontname="SourceSerif4Roman-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold" familyname="Source Serif 4" stylename="SmText Bold" filename="Source Serif 4-SmText Bold.ttf" postscriptfontname="SourceSerif4Roman-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 SmText Black" familyname="Source Serif 4" stylename="SmText Black" filename="Source Serif 4-SmText Black.ttf" postscriptfontname="SourceSerif4Roman-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight" familyname="Source Serif 4" stylename="ExtraLight" filename="Source Serif 4-ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Light" familyname="Source Serif 4" stylename="Light" filename="Source Serif 4-Light.ttf" postscriptfontname="SourceSerif4Roman-Light" stylemapfamilyname="Source Serif 4 Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Regular" familyname="Source Serif 4" stylename="Regular" filename="Source Serif 4-Regular.ttf" postscriptfontname="SourceSerif4Roman-Regular" stylemapfamilyname="Source Serif 4" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Semibold" familyname="Source Serif 4" stylename="Semibold" filename="Source Serif 4-Semibold.ttf" postscriptfontname="SourceSerif4Roman-Semibold" stylemapfamilyname="Source Serif 4 Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Bold" familyname="Source Serif 4" stylename="Bold" filename="Source Serif 4-Bold.ttf" postscriptfontname="SourceSerif4Roman-Bold" stylemapfamilyname="Source Serif 4 Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Black" familyname="Source Serif 4" stylename="Black" filename="Source Serif 4-Black.ttf" postscriptfontname="SourceSerif4Roman-Black" stylemapfamilyname="Source Serif 4 Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight" familyname="Source Serif 4" stylename="Subhead ExtraLight" filename="Source Serif 4-Subhead ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light" familyname="Source Serif 4" stylename="Subhead Light" filename="Source Serif 4-Subhead Light.ttf" postscriptfontname="SourceSerif4Roman-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead" familyname="Source Serif 4" stylename="Subhead" filename="Source Serif 4-Subhead.ttf" postscriptfontname="SourceSerif4Roman-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold" familyname="Source Serif 4" stylename="Subhead Semibold" filename="Source Serif 4-Subhead Semibold.ttf" postscriptfontname="SourceSerif4Roman-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold" familyname="Source Serif 4" stylename="Subhead Bold" filename="Source Serif 4-Subhead Bold.ttf" postscriptfontname="SourceSerif4Roman-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black" familyname="Source Serif 4" stylename="Subhead Black" filename="Source Serif 4-Subhead Black.ttf" postscriptfontname="SourceSerif4Roman-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight" familyname="Source Serif 4" stylename="Display ExtraLight" filename="Source Serif 4-Display ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Light" familyname="Source Serif 4" stylename="Display Light" filename="Source Serif 4-Display Light.ttf" postscriptfontname="SourceSerif4Roman-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display" familyname="Source Serif 4" stylename="Display" filename="Source Serif 4-Display.ttf" postscriptfontname="SourceSerif4Roman-DisplayRegular" stylemapfamilyname="Source Serif 4 Display" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold" familyname="Source Serif 4" stylename="Display Semibold" filename="Source Serif 4-Display Semibold.ttf" postscriptfontname="SourceSerif4Roman-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Bold" familyname="Source Serif 4" stylename="Display Bold" filename="Source Serif 4-Display Bold.ttf" postscriptfontname="SourceSerif4Roman-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+    <instance name="Source Serif 4 Display Black" familyname="Source Serif 4" stylename="Display Black" filename="Source Serif 4-Display Black.ttf" postscriptfontname="SourceSerif4Roman-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+      <kerning/>
+      <info/>
+    </instance>
+  </instances>
+  <lib>
+    <dict>
+      <key>public.skipExportGlyphs</key>
+      <array>
+        <string>caron.alt</string>
+        <string>commabelowcmb.alt</string>
+        <string>tonos.cap</string>
+        <string>f.ligalong</string>
+        <string>dieresiscmb.tight</string>
+        <string>IJ</string>
+        <string>Tbar</string>
+        <string>colontriangularmod</string>
+        <string>crossmark</string>
+        <string>ij</string>
+        <string>overline</string>
+        <string>similar</string>
+        <string>tbar</string>
+        <string>triangularbullet</string>
+        <string>turkicdsccmb</string>
+      </array>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_Wght.designspace b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_Wght.designspace
new file mode 100644
index 00000000..dc38cd7d
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_Wght.designspace
@@ -0,0 +1,96 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_WghtWdth.designspace b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_WghtWdth.designspace
new file mode 100644
index 00000000..8cda9140
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Italics_WghtWdth.designspace
@@ -0,0 +1,262 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_It.ufo" name="Aktiv Grotesk Ex Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_BlkIt.ufo" name="Aktiv Grotesk Cd Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_BlkIt.ufo" name="Aktiv Grotesk Ex Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair Italic" familyname="Aktiv Grotesk" stylename="Cd Hair Italic" filename="../instances/AktivGroteskCd_HairIt.ufo" postscriptfontname="AktivGrotesk-CdHairItalic" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair Italic" familyname="Aktiv Grotesk" stylename="Ex Hair Italic" filename="../instances/AktivGroteskEx_HairIt.ufo" postscriptfontname="AktivGrotesk-ExHairItalic" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin Italic" familyname="Aktiv Grotesk" stylename="Cd Thin Italic" filename="../instances/AktivGroteskCd_ThIt.ufo" postscriptfontname="AktivGrotesk-CdThinItalic" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin Italic" familyname="Aktiv Grotesk" stylename="Ex Thin Italic" filename="../instances/AktivGroteskEx_ThIt.ufo" postscriptfontname="AktivGrotesk-ExThinItalic" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light Italic" familyname="Aktiv Grotesk" stylename="Cd Light Italic" filename="../instances/AktivGroteskCd_LtIt.ufo" postscriptfontname="AktivGrotesk-CdLightItalic" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light Italic" familyname="Aktiv Grotesk" stylename="Ex Light Italic" filename="../instances/AktivGroteskEx_LtIt.ufo" postscriptfontname="AktivGrotesk-ExLightItalic" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Italic" familyname="Aktiv Grotesk" stylename="Cd Italic" filename="../instances/AktivGroteskCd_It.ufo" postscriptfontname="AktivGrotesk-CdItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Italic" familyname="Aktiv Grotesk" stylename="Ex Italic" filename="../instances/AktivGroteskEx_It.ufo" postscriptfontname="AktivGrotesk-ExItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium Italic" familyname="Aktiv Grotesk" stylename="Cd Medium Italic" filename="../instances/AktivGroteskCd_MdIt.ufo" postscriptfontname="AktivGrotesk-CdMediumItalic" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium Italic" familyname="Aktiv Grotesk" stylename="Ex Medium Italic" filename="../instances/AktivGroteskEx_MdIt.ufo" postscriptfontname="AktivGrotesk-ExMediumItalic" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold Italic" familyname="Aktiv Grotesk" stylename="Cd SemiBold Italic" filename="../../build/instances/AktivGroteskCd_SBdIt.ufo" postscriptfontname="AktivGrotesk-CdSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold Italic" familyname="Aktiv Grotesk" stylename="Ex SemiBold Italic" filename="../../build/instances/AktivGroteskEx_SBdIt.ufo" postscriptfontname="AktivGrotesk-ExSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold Italic" familyname="Aktiv Grotesk" stylename="Cd Bold Italic" filename="../instances/AktivGroteskCd_BdIt.ufo" postscriptfontname="AktivGrotesk-CdBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold Italic" familyname="Aktiv Grotesk" stylename="Ex Bold Italic" filename="../instances/AktivGroteskEx_BdIt.ufo" postscriptfontname="AktivGrotesk-ExBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold Italic" familyname="Aktiv Grotesk" stylename="Cd XBold Italic" filename="../instances/AktivGroteskCd_XBdIt.ufo" postscriptfontname="AktivGrotesk-CdXBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold Italic" familyname="Aktiv Grotesk" stylename="Ex XBold Italic" filename="../instances/AktivGroteskEx_XBdIt.ufo" postscriptfontname="AktivGrotesk-ExXBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black Italic" familyname="Aktiv Grotesk" stylename="Cd Black Italic" filename="../instances/AktivGroteskCd_BlkIt.ufo" postscriptfontname="AktivGrotesk-CdBlackItalic" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black Italic" familyname="Aktiv Grotesk" stylename="Ex Black Italic" filename="../instances/AktivGroteskEx_BlkIt.ufo" postscriptfontname="AktivGrotesk-ExBlackItalic" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/AktivGroteskVF_Wght.designspace b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Wght.designspace
new file mode 100644
index 00000000..db621655
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/AktivGroteskVF_Wght.designspace
@@ -0,0 +1,85 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+  </axes>
+  <sources>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdth.designspace b/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdth.designspace
new file mode 100644
index 00000000..113c6897
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdth.designspace
@@ -0,0 +1,253 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Rg.ufo" name="Aktiv Grotesk Ex">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Blk.ufo" name="Aktiv Grotesk Cd Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Blk.ufo" name="Aktiv Grotesk Ex Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair" familyname="Aktiv Grotesk" stylename="Cd Hair" filename="../instances/AktivGroteskCd_Hair.ufo" postscriptfontname="AktivGrotesk-CdHair" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair" familyname="Aktiv Grotesk" stylename="Ex Hair" filename="../instances/AktivGroteskEx_Hair.ufo" postscriptfontname="AktivGrotesk-ExHair" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin" familyname="Aktiv Grotesk" stylename="Cd Thin" filename="../instances/AktivGroteskCd_Th.ufo" postscriptfontname="AktivGrotesk-CdThin" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin" familyname="Aktiv Grotesk" stylename="Ex Thin" filename="../instances/AktivGroteskEx_Th.ufo" postscriptfontname="AktivGrotesk-ExThin" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light" familyname="Aktiv Grotesk" stylename="Cd Light" filename="../instances/AktivGroteskCd_Lt.ufo" postscriptfontname="AktivGrotesk-CdLight" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light" familyname="Aktiv Grotesk" stylename="Ex Light" filename="../instances/AktivGroteskEx_Lt.ufo" postscriptfontname="AktivGrotesk-ExLight" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd" familyname="Aktiv Grotesk" stylename="Cd" filename="../instances/AktivGroteskCd_Rg.ufo" postscriptfontname="AktivGrotesk-Cd" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex" familyname="Aktiv Grotesk" stylename="Ex" filename="../instances/AktivGroteskEx_Rg.ufo" postscriptfontname="AktivGrotesk-Ex" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium" familyname="Aktiv Grotesk" stylename="Cd Medium" filename="../instances/AktivGroteskCd_Md.ufo" postscriptfontname="AktivGrotesk-CdMedium" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium" familyname="Aktiv Grotesk" stylename="Ex Medium" filename="../instances/AktivGroteskEx_Md.ufo" postscriptfontname="AktivGrotesk-ExMedium" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold" familyname="Aktiv Grotesk" stylename="Cd SemiBold" filename="../../build/instances/AktivGroteskCd_SBd.ufo" postscriptfontname="AktivGrotesk-CdSemiBold" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold" familyname="Aktiv Grotesk" stylename="Ex SemiBold" filename="../../build/instances/AktivGroteskEx_SBd.ufo" postscriptfontname="AktivGrotesk-ExSemiBold" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold" familyname="Aktiv Grotesk" stylename="Cd Bold" filename="../instances/AktivGroteskCd_Bd.ufo" postscriptfontname="AktivGrotesk-CdBold" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold" familyname="Aktiv Grotesk" stylename="Ex Bold" filename="../instances/AktivGroteskEx_Bd.ufo" postscriptfontname="AktivGrotesk-ExBold" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold" familyname="Aktiv Grotesk" stylename="Cd XBold" filename="../instances/AktivGroteskCd_XBd.ufo" postscriptfontname="AktivGrotesk-CdXBold" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold" familyname="Aktiv Grotesk" stylename="Ex XBold" filename="../instances/AktivGroteskEx_XBd.ufo" postscriptfontname="AktivGrotesk-ExXBold" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black" familyname="Aktiv Grotesk" stylename="Cd Black" filename="../instances/AktivGroteskCd_Blk.ufo" postscriptfontname="AktivGrotesk-CdBlack" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black" familyname="Aktiv Grotesk" stylename="Ex Black" filename="../instances/AktivGroteskEx_Blk.ufo" postscriptfontname="AktivGrotesk-ExBlack" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdthItal.designspace b/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdthItal.designspace
new file mode 100644
index 00000000..4a1ef48f
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/AktivGroteskVF_WghtWdthItal.designspace
@@ -0,0 +1,562 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+    <axis tag="ital" name="Italic" minimum="0" maximum="1" default="0"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <conditionset>
+        <condition name="Italic" minimum="0.1" maximum="1"/>
+      </conditionset>
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
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+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold" familyname="Aktiv Grotesk" stylename="Ex XBold" filename="../instances/AktivGroteskEx_XBd.ufo" postscriptfontname="AktivGrotesk-ExXBold" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold Italic" familyname="Aktiv Grotesk" stylename="Ex XBold Italic" filename="../instances/AktivGroteskEx_XBdIt.ufo" postscriptfontname="AktivGrotesk-ExXBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black" familyname="Aktiv Grotesk" stylename="Cd Black" filename="../instances/AktivGroteskCd_Blk.ufo" postscriptfontname="AktivGrotesk-CdBlack" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black Italic" familyname="Aktiv Grotesk" stylename="Cd Black Italic" filename="../instances/AktivGroteskCd_BlkIt.ufo" postscriptfontname="AktivGrotesk-CdBlackItalic" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black" familyname="Aktiv Grotesk" stylename="Ex Black" filename="../instances/AktivGroteskEx_Blk.ufo" postscriptfontname="AktivGrotesk-ExBlack" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black Italic" familyname="Aktiv Grotesk" stylename="Ex Black Italic" filename="../instances/AktivGroteskEx_BlkIt.ufo" postscriptfontname="AktivGrotesk-ExBlackItalic" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight.designspace b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight.designspace
new file mode 100644
index 00000000..6dcc6002
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight.designspace
@@ -0,0 +1,55 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="300" maximum="700" default="300">
+      <map input="300" output="0"/>
+      <map input="500" output="500"/>
+      <map input="700" output="1000"/>
+    </axis>
+  </axes>
+  <rules>
+    <rule name="fold_I_serifs">
+      <sub name="I" with="I.narrow"/>
+    </rule>
+    <rule name="fold_S_terminals">
+      <conditionset>
+        <condition name="weight" minimum="0" maximum="500"/>
+      </conditionset>
+      <sub name="S" with="S.closed"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../MutatorSansLightCondensed.ufo" name="master.MutatorMathTest.LightCondensed.0" familyname="MutatorMathTest" stylename="LightCondensed">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansBoldCondensed.ufo" name="master.MutatorMathTest.BoldCondensed.1" familyname="MutatorMathTest" stylename="BoldCondensed">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.crossbar" layer="support.crossbar">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold Condensed" familyname="MutatorMathTest" stylename="Sans Bold Condensed" filename="MutatorMathTest-Sans Bold Condensed.ttf" postscriptfontname="MutatorMathTest-SansBoldCondensed" stylemapfamilyname="MutatorMathTest Sans Bold Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight_Width.designspace b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight_Width.designspace
new file mode 100644
index 00000000..e83be97f
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Weight_Width.designspace
@@ -0,0 +1,129 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="300" maximum="700" default="300">
+      <map input="300" output="0"/>
+      <map input="500" output="500"/>
+      <map input="700" output="1000"/>
+    </axis>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+    </axis>
+  </axes>
+  <rules>
+    <rule name="fold_I_serifs">
+      <conditionset>
+        <condition name="width" minimum="0" maximum="328"/>
+      </conditionset>
+      <sub name="I" with="I.narrow"/>
+    </rule>
+    <rule name="fold_S_terminals">
+      <conditionset>
+        <condition name="weight" minimum="0" maximum="500"/>
+      </conditionset>
+      <sub name="S" with="S.closed"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../MutatorSansLightCondensed.ufo" name="master.MutatorMathTest.LightCondensed.0" familyname="MutatorMathTest" stylename="LightCondensed">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansBoldCondensed.ufo" name="master.MutatorMathTest.BoldCondensed.1" familyname="MutatorMathTest" stylename="BoldCondensed">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightWide.ufo" name="master.MutatorMathTest.LightWide.2" familyname="MutatorMathTest" stylename="LightWide">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansBoldWide.ufo" name="master.MutatorMathTest.BoldWide.3" familyname="MutatorMathTest" stylename="BoldWide">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.crossbar" layer="support.crossbar">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.S.wide" layer="support.S.wide">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.S.middle" layer="support.S.middle">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="569.078"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold Condensed" familyname="MutatorMathTest" stylename="Sans Bold Condensed" filename="MutatorMathTest-Sans Bold Condensed.ttf" postscriptfontname="MutatorMathTest-SansBoldCondensed" stylemapfamilyname="MutatorMathTest Sans Bold Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Extended" familyname="MutatorMathTest" stylename="Sans Light Extended" filename="MutatorMathTest-Sans Light Extended.ttf" postscriptfontname="MutatorMathTest-SansLightExtended" stylemapfamilyname="MutatorMathTest Sans Light Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold Extended" familyname="MutatorMathTest" stylename="Sans Bold Extended" filename="MutatorMathTest-Sans Bold Extended.ttf" postscriptfontname="MutatorMathTest-SansBoldExtended" stylemapfamilyname="MutatorMathTest Sans Bold Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium" familyname="MutatorMathTest" stylename="Sans Medium" filename="MutatorMathTest-Sans Medium.ttf" postscriptfontname="MutatorMathTest-SansMedium" stylemapfamilyname="MutatorMathTest Sans Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="327"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium" familyname="MutatorMathTest" stylename="Sans Medium" filename="MutatorMathTest-Sans Medium.ttf" postscriptfontname="MutatorMathTest-SansMedium" stylemapfamilyname="MutatorMathTest Sans Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="327"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold" familyname="MutatorMathTest" stylename="Sans Bold" filename="MutatorMathTest-Sans Bold.ttf" postscriptfontname="MutatorMathTest-SansBold" stylemapfamilyname="MutatorMathTest Sans Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="569.078"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium Extended" familyname="MutatorMathTest" stylename="Sans Medium Extended" filename="MutatorMathTest-Sans Medium Extended.ttf" postscriptfontname="MutatorMathTest-SansMediumExtended" stylemapfamilyname="MutatorMathTest Sans Medium Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/MutatorSansVariable_Width.designspace b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Width.designspace
new file mode 100644
index 00000000..9384c73c
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/MutatorSansVariable_Width.designspace
@@ -0,0 +1,50 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+    </axis>
+  </axes>
+  <rules>
+    <rule name="fold_I_serifs">
+      <conditionset>
+        <condition name="width" minimum="0" maximum="328"/>
+      </conditionset>
+      <sub name="I" with="I.narrow"/>
+    </rule>
+    <rule name="fold_S_terminals">
+      <sub name="S" with="S.closed"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../MutatorSansLightCondensed.ufo" name="master.MutatorMathTest.LightCondensed.0" familyname="MutatorMathTest" stylename="LightCondensed">
+      <location>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightWide.ufo" name="master.MutatorMathTest.LightWide.2" familyname="MutatorMathTest" stylename="LightWide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Extended" familyname="MutatorMathTest" stylename="Sans Light Extended" filename="MutatorMathTest-Sans Light Extended.ttf" postscriptfontname="MutatorMathTest-SansLightExtended" stylemapfamilyname="MutatorMathTest Sans Light Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/MutatorSerifVariable_Width.designspace b/Tests/designspaceLib/data/split_output/MutatorSerifVariable_Width.designspace
new file mode 100644
index 00000000..b71025a2
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/MutatorSerifVariable_Width.designspace
@@ -0,0 +1,29 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+    </axis>
+  </axes>
+  <sources>
+    <source filename="../MutatorSerifLightCondensed.ufo" familyname="MutatorMathTest" stylename="SerifLightCondensed">
+      <location>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSerifLightWide.ufo" familyname="MutatorMathTest" stylename="SerifLightWide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="MutatorMathTest Serif Light Condensed" familyname="MutatorMathTest" stylename="Serif Light Condensed" filename="MutatorMathTest-Serif Light Condensed.ttf" postscriptfontname="MutatorMathTest-SerifLightCondensed" stylemapfamilyname="MutatorMathTest Serif Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Italic.designspace b/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Italic.designspace
new file mode 100644
index 00000000..c1eb95d9
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Italic.designspace
@@ -0,0 +1,266 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif-Italic_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif-Italic_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif-Italic_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif-Italic_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif-Italic_1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif-Italic_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif-Italic_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif-Italic_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif-Italic_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight Italic" familyname="Source Serif 4" stylename="Caption ExtraLight Italic" filename="Source Serif 4-Caption ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Light Italic" familyname="Source Serif 4" stylename="Caption Light Italic" filename="Source Serif 4-Caption Light Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Italic" familyname="Source Serif 4" stylename="Caption Italic" filename="Source Serif 4-Caption Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold Italic" familyname="Source Serif 4" stylename="Caption Semibold Italic" filename="Source Serif 4-Caption Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold Italic" familyname="Source Serif 4" stylename="Caption Bold Italic" filename="Source Serif 4-Caption Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Black Italic" familyname="Source Serif 4" stylename="Caption Black Italic" filename="Source Serif 4-Caption Black Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight Italic" familyname="Source Serif 4" stylename="SmText ExtraLight Italic" filename="Source Serif 4-SmText ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Light Italic" familyname="Source Serif 4" stylename="SmText Light Italic" filename="Source Serif 4-SmText Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Italic" familyname="Source Serif 4" stylename="SmText Italic" filename="Source Serif 4-SmText Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold Italic" familyname="Source Serif 4" stylename="SmText Semibold Italic" filename="Source Serif 4-SmText Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold Italic" familyname="Source Serif 4" stylename="SmText Bold Italic" filename="Source Serif 4-SmText Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Black Italic" familyname="Source Serif 4" stylename="SmText Black Italic" filename="Source Serif 4-SmText Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight Italic" familyname="Source Serif 4" stylename="ExtraLight Italic" filename="Source Serif 4-ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Light Italic" familyname="Source Serif 4" stylename="Light Italic" filename="Source Serif 4-Light Italic.ttf" postscriptfontname="SourceSerif4Italic-Light" stylemapfamilyname="Source Serif 4 Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Italic" familyname="Source Serif 4" stylename="Italic" filename="Source Serif 4-Italic.ttf" postscriptfontname="SourceSerif4Italic-Regular" stylemapfamilyname="Source Serif 4 Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Semibold Italic" familyname="Source Serif 4" stylename="Semibold Italic" filename="Source Serif 4-Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-Semibold" stylemapfamilyname="Source Serif 4 Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Bold Italic" familyname="Source Serif 4" stylename="Bold Italic" filename="Source Serif 4-Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-Bold" stylemapfamilyname="Source Serif 4 Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Black Italic" familyname="Source Serif 4" stylename="Black Italic" filename="Source Serif 4-Black Italic.ttf" postscriptfontname="SourceSerif4Italic-Black" stylemapfamilyname="Source Serif 4 Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight Italic" familyname="Source Serif 4" stylename="Subhead ExtraLight Italic" filename="Source Serif 4-Subhead ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light Italic" familyname="Source Serif 4" stylename="Subhead Light Italic" filename="Source Serif 4-Subhead Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Italic" familyname="Source Serif 4" stylename="Subhead Italic" filename="Source Serif 4-Subhead Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold Italic" familyname="Source Serif 4" stylename="Subhead Semibold Italic" filename="Source Serif 4-Subhead Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold Italic" familyname="Source Serif 4" stylename="Subhead Bold Italic" filename="Source Serif 4-Subhead Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black Italic" familyname="Source Serif 4" stylename="Subhead Black Italic" filename="Source Serif 4-Subhead Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight Italic" familyname="Source Serif 4" stylename="Display ExtraLight Italic" filename="Source Serif 4-Display ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Light Italic" familyname="Source Serif 4" stylename="Display Light Italic" filename="Source Serif 4-Display Light Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Italic" familyname="Source Serif 4" stylename="Display Italic" filename="Source Serif 4-Display Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayRegular" stylemapfamilyname="Source Serif 4 Display Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold Italic" familyname="Source Serif 4" stylename="Display Semibold Italic" filename="Source Serif 4-Display Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Bold Italic" familyname="Source Serif 4" stylename="Display Bold Italic" filename="Source Serif 4-Display Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Black Italic" familyname="Source Serif 4" stylename="Display Black Italic" filename="Source Serif 4-Display Black Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+  </instances>
+  <lib>
+    <dict>
+      <key>public.skipExportGlyphs</key>
+      <array>
+        <string>caron.alt</string>
+        <string>commabelowcmb.alt</string>
+        <string>f.liga</string>
+        <string>f.ligalong</string>
+        <string>tonos.cap</string>
+        <string>dieresiscmb.tight</string>
+        <string>turkicdsccmb</string>
+      </array>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Roman.designspace b/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Roman.designspace
new file mode 100644
index 00000000..1eee53e0
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/SourceSerif4Variable-Roman.designspace
@@ -0,0 +1,274 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif_1.ufo" familyname="Source Serif 4">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight" familyname="Source Serif 4" stylename="Caption ExtraLight" filename="Source Serif 4-Caption ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Light" familyname="Source Serif 4" stylename="Caption Light" filename="Source Serif 4-Caption Light.ttf" postscriptfontname="SourceSerif4Roman-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption" familyname="Source Serif 4" stylename="Caption" filename="Source Serif 4-Caption.ttf" postscriptfontname="SourceSerif4Roman-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold" familyname="Source Serif 4" stylename="Caption Semibold" filename="Source Serif 4-Caption Semibold.ttf" postscriptfontname="SourceSerif4Roman-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold" familyname="Source Serif 4" stylename="Caption Bold" filename="Source Serif 4-Caption Bold.ttf" postscriptfontname="SourceSerif4Roman-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Black" familyname="Source Serif 4" stylename="Caption Black" filename="Source Serif 4-Caption Black.ttf" postscriptfontname="SourceSerif4Roman-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight" familyname="Source Serif 4" stylename="SmText ExtraLight" filename="Source Serif 4-SmText ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Light" familyname="Source Serif 4" stylename="SmText Light" filename="Source Serif 4-SmText Light.ttf" postscriptfontname="SourceSerif4Roman-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText" familyname="Source Serif 4" stylename="SmText" filename="Source Serif 4-SmText.ttf" postscriptfontname="SourceSerif4Roman-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold" familyname="Source Serif 4" stylename="SmText Semibold" filename="Source Serif 4-SmText Semibold.ttf" postscriptfontname="SourceSerif4Roman-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold" familyname="Source Serif 4" stylename="SmText Bold" filename="Source Serif 4-SmText Bold.ttf" postscriptfontname="SourceSerif4Roman-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Black" familyname="Source Serif 4" stylename="SmText Black" filename="Source Serif 4-SmText Black.ttf" postscriptfontname="SourceSerif4Roman-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight" familyname="Source Serif 4" stylename="ExtraLight" filename="Source Serif 4-ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Light" familyname="Source Serif 4" stylename="Light" filename="Source Serif 4-Light.ttf" postscriptfontname="SourceSerif4Roman-Light" stylemapfamilyname="Source Serif 4 Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Regular" familyname="Source Serif 4" stylename="Regular" filename="Source Serif 4-Regular.ttf" postscriptfontname="SourceSerif4Roman-Regular" stylemapfamilyname="Source Serif 4" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Semibold" familyname="Source Serif 4" stylename="Semibold" filename="Source Serif 4-Semibold.ttf" postscriptfontname="SourceSerif4Roman-Semibold" stylemapfamilyname="Source Serif 4 Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Bold" familyname="Source Serif 4" stylename="Bold" filename="Source Serif 4-Bold.ttf" postscriptfontname="SourceSerif4Roman-Bold" stylemapfamilyname="Source Serif 4 Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Black" familyname="Source Serif 4" stylename="Black" filename="Source Serif 4-Black.ttf" postscriptfontname="SourceSerif4Roman-Black" stylemapfamilyname="Source Serif 4 Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight" familyname="Source Serif 4" stylename="Subhead ExtraLight" filename="Source Serif 4-Subhead ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light" familyname="Source Serif 4" stylename="Subhead Light" filename="Source Serif 4-Subhead Light.ttf" postscriptfontname="SourceSerif4Roman-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead" familyname="Source Serif 4" stylename="Subhead" filename="Source Serif 4-Subhead.ttf" postscriptfontname="SourceSerif4Roman-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold" familyname="Source Serif 4" stylename="Subhead Semibold" filename="Source Serif 4-Subhead Semibold.ttf" postscriptfontname="SourceSerif4Roman-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold" familyname="Source Serif 4" stylename="Subhead Bold" filename="Source Serif 4-Subhead Bold.ttf" postscriptfontname="SourceSerif4Roman-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black" familyname="Source Serif 4" stylename="Subhead Black" filename="Source Serif 4-Subhead Black.ttf" postscriptfontname="SourceSerif4Roman-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight" familyname="Source Serif 4" stylename="Display ExtraLight" filename="Source Serif 4-Display ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Light" familyname="Source Serif 4" stylename="Display Light" filename="Source Serif 4-Display Light.ttf" postscriptfontname="SourceSerif4Roman-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display" familyname="Source Serif 4" stylename="Display" filename="Source Serif 4-Display.ttf" postscriptfontname="SourceSerif4Roman-DisplayRegular" stylemapfamilyname="Source Serif 4 Display" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold" familyname="Source Serif 4" stylename="Display Semibold" filename="Source Serif 4-Display Semibold.ttf" postscriptfontname="SourceSerif4Roman-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Bold" familyname="Source Serif 4" stylename="Display Bold" filename="Source Serif 4-Display Bold.ttf" postscriptfontname="SourceSerif4Roman-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Black" familyname="Source Serif 4" stylename="Display Black" filename="Source Serif 4-Display Black.ttf" postscriptfontname="SourceSerif4Roman-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+  </instances>
+  <lib>
+    <dict>
+      <key>public.skipExportGlyphs</key>
+      <array>
+        <string>caron.alt</string>
+        <string>commabelowcmb.alt</string>
+        <string>tonos.cap</string>
+        <string>f.ligalong</string>
+        <string>dieresiscmb.tight</string>
+        <string>IJ</string>
+        <string>Tbar</string>
+        <string>colontriangularmod</string>
+        <string>crossmark</string>
+        <string>ij</string>
+        <string>overline</string>
+        <string>similar</string>
+        <string>tbar</string>
+        <string>triangularbullet</string>
+        <string>turkicdsccmb</string>
+      </array>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_0.0.designspace b/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_0.0.designspace
new file mode 100644
index 00000000..d811ffa0
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_0.0.designspace
@@ -0,0 +1,147 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="300" maximum="700" default="300">
+      <map input="300" output="0"/>
+      <map input="500" output="500"/>
+      <map input="700" output="1000"/>
+    </axis>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+    </axis>
+  </axes>
+  <rules>
+    <rule name="fold_I_serifs">
+      <conditionset>
+        <condition name="width" minimum="0" maximum="328"/>
+      </conditionset>
+      <sub name="I" with="I.narrow"/>
+    </rule>
+    <rule name="fold_S_terminals">
+      <conditionset>
+        <condition name="weight" minimum="0" maximum="500"/>
+      </conditionset>
+      <sub name="S" with="S.closed"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../MutatorSansLightCondensed.ufo" name="master.MutatorMathTest.LightCondensed.0" familyname="MutatorMathTest" stylename="LightCondensed">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansBoldCondensed.ufo" name="master.MutatorMathTest.BoldCondensed.1" familyname="MutatorMathTest" stylename="BoldCondensed">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightWide.ufo" name="master.MutatorMathTest.LightWide.2" familyname="MutatorMathTest" stylename="LightWide">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansBoldWide.ufo" name="master.MutatorMathTest.BoldWide.3" familyname="MutatorMathTest" stylename="BoldWide">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.crossbar" layer="support.crossbar">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.S.wide" layer="support.S.wide">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="../MutatorSansLightCondensed.ufo" name="support.S.middle" layer="support.S.middle">
+      <location>
+        <dimension name="weight" xvalue="700"/>
+        <dimension name="width" xvalue="569.078"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="MutatorSansVariable_Weight_Width">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="MutatorSansVariable_Weight">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="MutatorSansVariable_Width">
+      <axis-subsets>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold Condensed" familyname="MutatorMathTest" stylename="Sans Bold Condensed" filename="MutatorMathTest-Sans Bold Condensed.ttf" postscriptfontname="MutatorMathTest-SansBoldCondensed" stylemapfamilyname="MutatorMathTest Sans Bold Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Extended" familyname="MutatorMathTest" stylename="Sans Light Extended" filename="MutatorMathTest-Sans Light Extended.ttf" postscriptfontname="MutatorMathTest-SansLightExtended" stylemapfamilyname="MutatorMathTest Sans Light Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold Extended" familyname="MutatorMathTest" stylename="Sans Bold Extended" filename="MutatorMathTest-Sans Bold Extended.ttf" postscriptfontname="MutatorMathTest-SansBoldExtended" stylemapfamilyname="MutatorMathTest Sans Bold Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium" familyname="MutatorMathTest" stylename="Sans Medium" filename="MutatorMathTest-Sans Medium.ttf" postscriptfontname="MutatorMathTest-SansMedium" stylemapfamilyname="MutatorMathTest Sans Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="327"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium" familyname="MutatorMathTest" stylename="Sans Medium" filename="MutatorMathTest-Sans Medium.ttf" postscriptfontname="MutatorMathTest-SansMedium" stylemapfamilyname="MutatorMathTest Sans Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="327"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Bold" familyname="MutatorMathTest" stylename="Sans Bold" filename="MutatorMathTest-Sans Bold.ttf" postscriptfontname="MutatorMathTest-SansBold" stylemapfamilyname="MutatorMathTest Sans Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="569.078"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Medium Extended" familyname="MutatorMathTest" stylename="Sans Medium Extended" filename="MutatorMathTest-Sans Medium Extended.ttf" postscriptfontname="MutatorMathTest-SansMediumExtended" stylemapfamilyname="MutatorMathTest Sans Medium Extended" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance name="MutatorMathTest Sans Light Condensed" familyname="MutatorMathTest" stylename="Sans Light Condensed" filename="MutatorMathTest-Sans Light Condensed.ttf" postscriptfontname="MutatorMathTest-SansLightCondensed" stylemapfamilyname="MutatorMathTest Sans Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_1.0.designspace b/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_1.0.designspace
new file mode 100644
index 00000000..5e3a6f52
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/test_v5_MutatorSans_and_Serif_serif_1.0.designspace
@@ -0,0 +1,44 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="300" maximum="700" default="300">
+      <map input="300" output="0"/>
+      <map input="500" output="500"/>
+      <map input="700" output="1000"/>
+    </axis>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+    </axis>
+  </axes>
+  <sources>
+    <source filename="../MutatorSerifLightCondensed.ufo" familyname="MutatorMathTest" stylename="SerifLightCondensed">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../MutatorSerifLightWide.ufo" familyname="MutatorMathTest" stylename="SerifLightWide">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="1000"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="MutatorSerifVariable_Width">
+      <axis-subsets>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance name="MutatorMathTest Serif Light Condensed" familyname="MutatorMathTest" stylename="Serif Light Condensed" filename="MutatorMathTest-Serif Light Condensed.ttf" postscriptfontname="MutatorMathTest-SerifLightCondensed" stylemapfamilyname="MutatorMathTest Serif Light Condensed" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="0"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/test_v5_aktiv_.designspace b/Tests/designspaceLib/data/split_output/test_v5_aktiv_.designspace
new file mode 100644
index 00000000..4451e6e6
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/test_v5_aktiv_.designspace
@@ -0,0 +1,595 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100"/>
+    <axis tag="ital" name="Italic" minimum="0" maximum="1" default="0"/>
+  </axes>
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <conditionset>
+        <condition name="Italic" minimum="0.1" maximum="1"/>
+      </conditionset>
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="../AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Rg.ufo" name="Aktiv Grotesk Ex">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_It.ufo" name="Aktiv Grotesk Ex Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_Blk.ufo" name="Aktiv Grotesk Cd Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskCd_BlkIt.ufo" name="Aktiv Grotesk Cd Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_Blk.ufo" name="Aktiv Grotesk Ex Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="../AktivGroteskEx_BlkIt.ufo" name="Aktiv Grotesk Ex Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="AktivGroteskVF_WghtWdthItal">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+        <axis-subset name="Italic"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_WghtWdth">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Wght">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Italics_WghtWdth">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+        <axis-subset name="Italic" uservalue="1"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Italics_Wght">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Italic" uservalue="1"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance name="Aktiv Grotesk Cd Hair" familyname="Aktiv Grotesk" stylename="Cd Hair" filename="../instances/AktivGroteskCd_Hair.ufo" postscriptfontname="AktivGrotesk-CdHair" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Hair Italic" familyname="Aktiv Grotesk" stylename="Cd Hair Italic" filename="../instances/AktivGroteskCd_HairIt.ufo" postscriptfontname="AktivGrotesk-CdHairItalic" stylemapfamilyname="Aktiv Grotesk Cd Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Hair" familyname="Aktiv Grotesk" stylename="Hair" filename="../instances/AktivGrotesk_Hair.ufo" postscriptfontname="AktivGrotesk-Hair" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Hair Italic" familyname="Aktiv Grotesk" stylename="Hair Italic" filename="../instances/AktivGrotesk_HairIt.ufo" postscriptfontname="AktivGrotesk-HairItalic" stylemapfamilyname="Aktiv Grotesk Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair" familyname="Aktiv Grotesk" stylename="Ex Hair" filename="../instances/AktivGroteskEx_Hair.ufo" postscriptfontname="AktivGrotesk-ExHair" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Hair Italic" familyname="Aktiv Grotesk" stylename="Ex Hair Italic" filename="../instances/AktivGroteskEx_HairIt.ufo" postscriptfontname="AktivGrotesk-ExHairItalic" stylemapfamilyname="Aktiv Grotesk Ex Hair" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin" familyname="Aktiv Grotesk" stylename="Cd Thin" filename="../instances/AktivGroteskCd_Th.ufo" postscriptfontname="AktivGrotesk-CdThin" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Thin Italic" familyname="Aktiv Grotesk" stylename="Cd Thin Italic" filename="../instances/AktivGroteskCd_ThIt.ufo" postscriptfontname="AktivGrotesk-CdThinItalic" stylemapfamilyname="Aktiv Grotesk Cd Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin" familyname="Aktiv Grotesk" stylename="Thin" filename="../instances/AktivGrotesk_Th.ufo" postscriptfontname="AktivGrotesk-Thin" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Thin Italic" familyname="Aktiv Grotesk" stylename="Thin Italic" filename="../instances/AktivGrotesk_ThIt.ufo" postscriptfontname="AktivGrotesk-ThinItalic" stylemapfamilyname="Aktiv Grotesk Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin" familyname="Aktiv Grotesk" stylename="Ex Thin" filename="../instances/AktivGroteskEx_Th.ufo" postscriptfontname="AktivGrotesk-ExThin" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Thin Italic" familyname="Aktiv Grotesk" stylename="Ex Thin Italic" filename="../instances/AktivGroteskEx_ThIt.ufo" postscriptfontname="AktivGrotesk-ExThinItalic" stylemapfamilyname="Aktiv Grotesk Ex Thin" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light" familyname="Aktiv Grotesk" stylename="Cd Light" filename="../instances/AktivGroteskCd_Lt.ufo" postscriptfontname="AktivGrotesk-CdLight" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Light Italic" familyname="Aktiv Grotesk" stylename="Cd Light Italic" filename="../instances/AktivGroteskCd_LtIt.ufo" postscriptfontname="AktivGrotesk-CdLightItalic" stylemapfamilyname="Aktiv Grotesk Cd Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light" familyname="Aktiv Grotesk" stylename="Light" filename="../instances/AktivGrotesk_Lt.ufo" postscriptfontname="AktivGrotesk-Light" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Light Italic" familyname="Aktiv Grotesk" stylename="Light Italic" filename="../instances/AktivGrotesk_LtIt.ufo" postscriptfontname="AktivGrotesk-LightItalic" stylemapfamilyname="Aktiv Grotesk Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light" familyname="Aktiv Grotesk" stylename="Ex Light" filename="../instances/AktivGroteskEx_Lt.ufo" postscriptfontname="AktivGrotesk-ExLight" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Light Italic" familyname="Aktiv Grotesk" stylename="Ex Light Italic" filename="../instances/AktivGroteskEx_LtIt.ufo" postscriptfontname="AktivGrotesk-ExLightItalic" stylemapfamilyname="Aktiv Grotesk Ex Light" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd" familyname="Aktiv Grotesk" stylename="Cd" filename="../instances/AktivGroteskCd_Rg.ufo" postscriptfontname="AktivGrotesk-Cd" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Italic" familyname="Aktiv Grotesk" stylename="Cd Italic" filename="../instances/AktivGroteskCd_It.ufo" postscriptfontname="AktivGrotesk-CdItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk " familyname="Aktiv Grotesk" stylename="" filename="../instances/AktivGrotesk_Rg.ufo" postscriptfontname="AktivGrotesk-" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Italic" familyname="Aktiv Grotesk" stylename="Italic" filename="../instances/AktivGrotesk_It.ufo" postscriptfontname="AktivGrotesk-Italic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex" familyname="Aktiv Grotesk" stylename="Ex" filename="../instances/AktivGroteskEx_Rg.ufo" postscriptfontname="AktivGrotesk-Ex" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Italic" familyname="Aktiv Grotesk" stylename="Ex Italic" filename="../instances/AktivGroteskEx_It.ufo" postscriptfontname="AktivGrotesk-ExItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium" familyname="Aktiv Grotesk" stylename="Cd Medium" filename="../instances/AktivGroteskCd_Md.ufo" postscriptfontname="AktivGrotesk-CdMedium" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Medium Italic" familyname="Aktiv Grotesk" stylename="Cd Medium Italic" filename="../instances/AktivGroteskCd_MdIt.ufo" postscriptfontname="AktivGrotesk-CdMediumItalic" stylemapfamilyname="Aktiv Grotesk Cd Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium" familyname="Aktiv Grotesk" stylename="Medium" filename="../instances/AktivGrotesk_Md.ufo" postscriptfontname="AktivGrotesk-Medium" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Medium Italic" familyname="Aktiv Grotesk" stylename="Medium Italic" filename="../instances/AktivGrotesk_MdIt.ufo" postscriptfontname="AktivGrotesk-MediumItalic" stylemapfamilyname="Aktiv Grotesk Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium" familyname="Aktiv Grotesk" stylename="Ex Medium" filename="../instances/AktivGroteskEx_Md.ufo" postscriptfontname="AktivGrotesk-ExMedium" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Medium Italic" familyname="Aktiv Grotesk" stylename="Ex Medium Italic" filename="../instances/AktivGroteskEx_MdIt.ufo" postscriptfontname="AktivGrotesk-ExMediumItalic" stylemapfamilyname="Aktiv Grotesk Ex Medium" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold" familyname="Aktiv Grotesk" stylename="Cd SemiBold" filename="../../build/instances/AktivGroteskCd_SBd.ufo" postscriptfontname="AktivGrotesk-CdSemiBold" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd SemiBold Italic" familyname="Aktiv Grotesk" stylename="Cd SemiBold Italic" filename="../../build/instances/AktivGroteskCd_SBdIt.ufo" postscriptfontname="AktivGrotesk-CdSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold" familyname="Aktiv Grotesk" stylename="SemiBold" filename="../../build/instances/AktivGrotesk_SBd.ufo" postscriptfontname="AktivGrotesk-SemiBold" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk SemiBold Italic" familyname="Aktiv Grotesk" stylename="SemiBold Italic" filename="../../build/instances/AktivGrotesk_SBdIt.ufo" postscriptfontname="AktivGrotesk-SemiBoldItalic" stylemapfamilyname="Aktiv Grotesk SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold" familyname="Aktiv Grotesk" stylename="Ex SemiBold" filename="../../build/instances/AktivGroteskEx_SBd.ufo" postscriptfontname="AktivGrotesk-ExSemiBold" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex SemiBold Italic" familyname="Aktiv Grotesk" stylename="Ex SemiBold Italic" filename="../../build/instances/AktivGroteskEx_SBdIt.ufo" postscriptfontname="AktivGrotesk-ExSemiBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex SemiBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold" familyname="Aktiv Grotesk" stylename="Cd Bold" filename="../instances/AktivGroteskCd_Bd.ufo" postscriptfontname="AktivGrotesk-CdBold" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Bold Italic" familyname="Aktiv Grotesk" stylename="Cd Bold Italic" filename="../instances/AktivGroteskCd_BdIt.ufo" postscriptfontname="AktivGrotesk-CdBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold" familyname="Aktiv Grotesk" stylename="Bold" filename="../instances/AktivGrotesk_Bd.ufo" postscriptfontname="AktivGrotesk-Bold" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Bold Italic" familyname="Aktiv Grotesk" stylename="Bold Italic" filename="../instances/AktivGrotesk_BdIt.ufo" postscriptfontname="AktivGrotesk-BoldItalic" stylemapfamilyname="Aktiv Grotesk" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold" familyname="Aktiv Grotesk" stylename="Ex Bold" filename="../instances/AktivGroteskEx_Bd.ufo" postscriptfontname="AktivGrotesk-ExBold" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Bold Italic" familyname="Aktiv Grotesk" stylename="Ex Bold Italic" filename="../instances/AktivGroteskEx_BdIt.ufo" postscriptfontname="AktivGrotesk-ExBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex" stylemapstylename="bold italic">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold" familyname="Aktiv Grotesk" stylename="Cd XBold" filename="../instances/AktivGroteskCd_XBd.ufo" postscriptfontname="AktivGrotesk-CdXBold" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd XBold Italic" familyname="Aktiv Grotesk" stylename="Cd XBold Italic" filename="../instances/AktivGroteskCd_XBdIt.ufo" postscriptfontname="AktivGrotesk-CdXBoldItalic" stylemapfamilyname="Aktiv Grotesk Cd XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold" familyname="Aktiv Grotesk" stylename="XBold" filename="../instances/AktivGrotesk_XBd.ufo" postscriptfontname="AktivGrotesk-XBold" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk XBold Italic" familyname="Aktiv Grotesk" stylename="XBold Italic" filename="../instances/AktivGrotesk_XBdIt.ufo" postscriptfontname="AktivGrotesk-XBoldItalic" stylemapfamilyname="Aktiv Grotesk XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold" familyname="Aktiv Grotesk" stylename="Ex XBold" filename="../instances/AktivGroteskEx_XBd.ufo" postscriptfontname="AktivGrotesk-ExXBold" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex XBold Italic" familyname="Aktiv Grotesk" stylename="Ex XBold Italic" filename="../instances/AktivGroteskEx_XBdIt.ufo" postscriptfontname="AktivGrotesk-ExXBoldItalic" stylemapfamilyname="Aktiv Grotesk Ex XBold" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black" familyname="Aktiv Grotesk" stylename="Cd Black" filename="../instances/AktivGroteskCd_Blk.ufo" postscriptfontname="AktivGrotesk-CdBlack" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Cd Black Italic" familyname="Aktiv Grotesk" stylename="Cd Black Italic" filename="../instances/AktivGroteskCd_BlkIt.ufo" postscriptfontname="AktivGrotesk-CdBlackItalic" stylemapfamilyname="Aktiv Grotesk Cd Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black" familyname="Aktiv Grotesk" stylename="Black" filename="../instances/AktivGrotesk_Blk.ufo" postscriptfontname="AktivGrotesk-Black" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Black Italic" familyname="Aktiv Grotesk" stylename="Black Italic" filename="../instances/AktivGrotesk_BlkIt.ufo" postscriptfontname="AktivGrotesk-BlackItalic" stylemapfamilyname="Aktiv Grotesk Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black" familyname="Aktiv Grotesk" stylename="Ex Black" filename="../instances/AktivGroteskEx_Blk.ufo" postscriptfontname="AktivGrotesk-ExBlack" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="regular">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance name="Aktiv Grotesk Ex Black Italic" familyname="Aktiv Grotesk" stylename="Ex Black Italic" filename="../instances/AktivGroteskEx_BlkIt.ufo" postscriptfontname="AktivGrotesk-ExBlackItalic" stylemapfamilyname="Aktiv Grotesk Ex Black" stylemapstylename="italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_0.0.designspace b/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_0.0.designspace
new file mode 100644
index 00000000..447461fb
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_0.0.designspace
@@ -0,0 +1,282 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif_1.ufo" familyname="Source Serif 4">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="SourceSerif4Variable-Roman">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="optical"/>
+      </axis-subsets>
+      <lib>
+        <dict>
+          <key>public.skipExportGlyphs</key>
+          <array>
+            <string>caron.alt</string>
+            <string>commabelowcmb.alt</string>
+            <string>tonos.cap</string>
+            <string>f.ligalong</string>
+            <string>dieresiscmb.tight</string>
+            <string>IJ</string>
+            <string>Tbar</string>
+            <string>colontriangularmod</string>
+            <string>crossmark</string>
+            <string>ij</string>
+            <string>overline</string>
+            <string>similar</string>
+            <string>tbar</string>
+            <string>triangularbullet</string>
+            <string>turkicdsccmb</string>
+          </array>
+        </dict>
+      </lib>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight" familyname="Source Serif 4" stylename="Caption ExtraLight" filename="Source Serif 4-Caption ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Light" familyname="Source Serif 4" stylename="Caption Light" filename="Source Serif 4-Caption Light.ttf" postscriptfontname="SourceSerif4Roman-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption" familyname="Source Serif 4" stylename="Caption" filename="Source Serif 4-Caption.ttf" postscriptfontname="SourceSerif4Roman-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold" familyname="Source Serif 4" stylename="Caption Semibold" filename="Source Serif 4-Caption Semibold.ttf" postscriptfontname="SourceSerif4Roman-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold" familyname="Source Serif 4" stylename="Caption Bold" filename="Source Serif 4-Caption Bold.ttf" postscriptfontname="SourceSerif4Roman-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Black" familyname="Source Serif 4" stylename="Caption Black" filename="Source Serif 4-Caption Black.ttf" postscriptfontname="SourceSerif4Roman-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight" familyname="Source Serif 4" stylename="SmText ExtraLight" filename="Source Serif 4-SmText ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Light" familyname="Source Serif 4" stylename="SmText Light" filename="Source Serif 4-SmText Light.ttf" postscriptfontname="SourceSerif4Roman-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText" familyname="Source Serif 4" stylename="SmText" filename="Source Serif 4-SmText.ttf" postscriptfontname="SourceSerif4Roman-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold" familyname="Source Serif 4" stylename="SmText Semibold" filename="Source Serif 4-SmText Semibold.ttf" postscriptfontname="SourceSerif4Roman-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold" familyname="Source Serif 4" stylename="SmText Bold" filename="Source Serif 4-SmText Bold.ttf" postscriptfontname="SourceSerif4Roman-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Black" familyname="Source Serif 4" stylename="SmText Black" filename="Source Serif 4-SmText Black.ttf" postscriptfontname="SourceSerif4Roman-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight" familyname="Source Serif 4" stylename="ExtraLight" filename="Source Serif 4-ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Light" familyname="Source Serif 4" stylename="Light" filename="Source Serif 4-Light.ttf" postscriptfontname="SourceSerif4Roman-Light" stylemapfamilyname="Source Serif 4 Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Regular" familyname="Source Serif 4" stylename="Regular" filename="Source Serif 4-Regular.ttf" postscriptfontname="SourceSerif4Roman-Regular" stylemapfamilyname="Source Serif 4" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Semibold" familyname="Source Serif 4" stylename="Semibold" filename="Source Serif 4-Semibold.ttf" postscriptfontname="SourceSerif4Roman-Semibold" stylemapfamilyname="Source Serif 4 Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Bold" familyname="Source Serif 4" stylename="Bold" filename="Source Serif 4-Bold.ttf" postscriptfontname="SourceSerif4Roman-Bold" stylemapfamilyname="Source Serif 4 Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Black" familyname="Source Serif 4" stylename="Black" filename="Source Serif 4-Black.ttf" postscriptfontname="SourceSerif4Roman-Black" stylemapfamilyname="Source Serif 4 Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight" familyname="Source Serif 4" stylename="Subhead ExtraLight" filename="Source Serif 4-Subhead ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light" familyname="Source Serif 4" stylename="Subhead Light" filename="Source Serif 4-Subhead Light.ttf" postscriptfontname="SourceSerif4Roman-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead" familyname="Source Serif 4" stylename="Subhead" filename="Source Serif 4-Subhead.ttf" postscriptfontname="SourceSerif4Roman-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold" familyname="Source Serif 4" stylename="Subhead Semibold" filename="Source Serif 4-Subhead Semibold.ttf" postscriptfontname="SourceSerif4Roman-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold" familyname="Source Serif 4" stylename="Subhead Bold" filename="Source Serif 4-Subhead Bold.ttf" postscriptfontname="SourceSerif4Roman-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black" familyname="Source Serif 4" stylename="Subhead Black" filename="Source Serif 4-Subhead Black.ttf" postscriptfontname="SourceSerif4Roman-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight" familyname="Source Serif 4" stylename="Display ExtraLight" filename="Source Serif 4-Display ExtraLight.ttf" postscriptfontname="SourceSerif4Roman-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Light" familyname="Source Serif 4" stylename="Display Light" filename="Source Serif 4-Display Light.ttf" postscriptfontname="SourceSerif4Roman-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display" familyname="Source Serif 4" stylename="Display" filename="Source Serif 4-Display.ttf" postscriptfontname="SourceSerif4Roman-DisplayRegular" stylemapfamilyname="Source Serif 4 Display" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold" familyname="Source Serif 4" stylename="Display Semibold" filename="Source Serif 4-Display Semibold.ttf" postscriptfontname="SourceSerif4Roman-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Bold" familyname="Source Serif 4" stylename="Display Bold" filename="Source Serif 4-Display Bold.ttf" postscriptfontname="SourceSerif4Roman-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Black" familyname="Source Serif 4" stylename="Display Black" filename="Source Serif 4-Display Black.ttf" postscriptfontname="SourceSerif4Roman-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_1.0.designspace b/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_1.0.designspace
new file mode 100644
index 00000000..e1ef12f6
--- /dev/null
+++ b/Tests/designspaceLib/data/split_output/test_v5_sourceserif_italic_1.0.designspace
@@ -0,0 +1,274 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20"/>
+  </axes>
+  <sources>
+    <source filename="../caption/master_0/SourceSerif-Italic_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_1/SourceSerif-Italic_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../caption/master_2/SourceSerif-Italic_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </source>
+    <source filename="../text/master_0/SourceSerif-Italic_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_1/SourceSerif-Italic_1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../text/master_2/SourceSerif-Italic_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="../display/master_0/SourceSerif-Italic_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_1/SourceSerif-Italic_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+    <source filename="../display/master_2/SourceSerif-Italic_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="SourceSerif4Variable-Italic">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="optical"/>
+      </axis-subsets>
+      <lib>
+        <dict>
+          <key>public.skipExportGlyphs</key>
+          <array>
+            <string>caron.alt</string>
+            <string>commabelowcmb.alt</string>
+            <string>f.liga</string>
+            <string>f.ligalong</string>
+            <string>tonos.cap</string>
+            <string>dieresiscmb.tight</string>
+            <string>turkicdsccmb</string>
+          </array>
+        </dict>
+      </lib>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance name="Source Serif 4 Caption ExtraLight Italic" familyname="Source Serif 4" stylename="Caption ExtraLight Italic" filename="Source Serif 4-Caption ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionExtraLight" stylemapfamilyname="Source Serif 4 Caption ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Light Italic" familyname="Source Serif 4" stylename="Caption Light Italic" filename="Source Serif 4-Caption Light Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionLight" stylemapfamilyname="Source Serif 4 Caption Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Italic" familyname="Source Serif 4" stylename="Caption Italic" filename="Source Serif 4-Caption Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionRegular" stylemapfamilyname="Source Serif 4 Caption Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Semibold Italic" familyname="Source Serif 4" stylename="Caption Semibold Italic" filename="Source Serif 4-Caption Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionSemibold" stylemapfamilyname="Source Serif 4 Caption Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Bold Italic" familyname="Source Serif 4" stylename="Caption Bold Italic" filename="Source Serif 4-Caption Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBold" stylemapfamilyname="Source Serif 4 Caption Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Caption Black Italic" familyname="Source Serif 4" stylename="Caption Black Italic" filename="Source Serif 4-Caption Black Italic.ttf" postscriptfontname="SourceSerif4Italic-CaptionBlack" stylemapfamilyname="Source Serif 4 Caption Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText ExtraLight Italic" familyname="Source Serif 4" stylename="SmText ExtraLight Italic" filename="Source Serif 4-SmText ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextExtraLight" stylemapfamilyname="Source Serif 4 SmallText ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Light Italic" familyname="Source Serif 4" stylename="SmText Light Italic" filename="Source Serif 4-SmText Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextLight" stylemapfamilyname="Source Serif 4 SmallText Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Italic" familyname="Source Serif 4" stylename="SmText Italic" filename="Source Serif 4-SmText Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextRegular" stylemapfamilyname="Source Serif 4 SmallText Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Semibold Italic" familyname="Source Serif 4" stylename="SmText Semibold Italic" filename="Source Serif 4-SmText Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextSemibold" stylemapfamilyname="Source Serif 4 SmallText Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Bold Italic" familyname="Source Serif 4" stylename="SmText Bold Italic" filename="Source Serif 4-SmText Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBold" stylemapfamilyname="Source Serif 4 SmallText Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 SmText Black Italic" familyname="Source Serif 4" stylename="SmText Black Italic" filename="Source Serif 4-SmText Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SmTextBlack" stylemapfamilyname="Source Serif 4 SmallText Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 ExtraLight Italic" familyname="Source Serif 4" stylename="ExtraLight Italic" filename="Source Serif 4-ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-ExtraLight" stylemapfamilyname="Source Serif 4 ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Light Italic" familyname="Source Serif 4" stylename="Light Italic" filename="Source Serif 4-Light Italic.ttf" postscriptfontname="SourceSerif4Italic-Light" stylemapfamilyname="Source Serif 4 Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Italic" familyname="Source Serif 4" stylename="Italic" filename="Source Serif 4-Italic.ttf" postscriptfontname="SourceSerif4Italic-Regular" stylemapfamilyname="Source Serif 4 Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Semibold Italic" familyname="Source Serif 4" stylename="Semibold Italic" filename="Source Serif 4-Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-Semibold" stylemapfamilyname="Source Serif 4 Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Bold Italic" familyname="Source Serif 4" stylename="Bold Italic" filename="Source Serif 4-Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-Bold" stylemapfamilyname="Source Serif 4 Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Black Italic" familyname="Source Serif 4" stylename="Black Italic" filename="Source Serif 4-Black Italic.ttf" postscriptfontname="SourceSerif4Italic-Black" stylemapfamilyname="Source Serif 4 Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead ExtraLight Italic" familyname="Source Serif 4" stylename="Subhead ExtraLight Italic" filename="Source Serif 4-Subhead ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadExtraLight" stylemapfamilyname="Source Serif 4 Subhead ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Light Italic" familyname="Source Serif 4" stylename="Subhead Light Italic" filename="Source Serif 4-Subhead Light Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadLight" stylemapfamilyname="Source Serif 4 Subhead Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Italic" familyname="Source Serif 4" stylename="Subhead Italic" filename="Source Serif 4-Subhead Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadRegular" stylemapfamilyname="Source Serif 4 Subhead Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Semibold Italic" familyname="Source Serif 4" stylename="Subhead Semibold Italic" filename="Source Serif 4-Subhead Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadSemibold" stylemapfamilyname="Source Serif 4 Subhead Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Bold Italic" familyname="Source Serif 4" stylename="Subhead Bold Italic" filename="Source Serif 4-Subhead Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBold" stylemapfamilyname="Source Serif 4 Subhead Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Subhead Black Italic" familyname="Source Serif 4" stylename="Subhead Black Italic" filename="Source Serif 4-Subhead Black Italic.ttf" postscriptfontname="SourceSerif4Italic-SubheadBlack" stylemapfamilyname="Source Serif 4 Subhead Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display ExtraLight Italic" familyname="Source Serif 4" stylename="Display ExtraLight Italic" filename="Source Serif 4-Display ExtraLight Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayExtraLight" stylemapfamilyname="Source Serif 4 Display ExtraLight Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Light Italic" familyname="Source Serif 4" stylename="Display Light Italic" filename="Source Serif 4-Display Light Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayLight" stylemapfamilyname="Source Serif 4 Display Light Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Italic" familyname="Source Serif 4" stylename="Display Italic" filename="Source Serif 4-Display Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayRegular" stylemapfamilyname="Source Serif 4 Display Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Semibold Italic" familyname="Source Serif 4" stylename="Display Semibold Italic" filename="Source Serif 4-Display Semibold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplaySemibold" stylemapfamilyname="Source Serif 4 Display Semibold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Bold Italic" familyname="Source Serif 4" stylename="Display Bold Italic" filename="Source Serif 4-Display Bold Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBold" stylemapfamilyname="Source Serif 4 Display Bold Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+    <instance name="Source Serif 4 Display Black Italic" familyname="Source Serif 4" stylename="Display Black Italic" filename="Source Serif 4-Display Black Italic.ttf" postscriptfontname="SourceSerif4Italic-DisplayBlack" stylemapfamilyname="Source Serif 4 Display Black Italic" stylemapstylename="regular">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/test.designspace b/Tests/designspaceLib/data/test_v4_original.designspace
index e12f1568..d3b46c7f 100644
--- a/Tests/designspaceLib/data/test.designspace
+++ b/Tests/designspaceLib/data/test_v4_original.designspace
@@ -1,5 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <designspace format="4.1">
+  <!-- NOTE: this file is kept at format 4, to check that round-tripping it
+       doesn't upgrade the format. -->
   <axes>
     <axis tag="wght" name="weight" minimum="0" maximum="1000" default="0">
       <labelname xml:lang="en">Wéíght</labelname>
@@ -50,6 +52,13 @@
   </sources>
   <instances>
     <instance name="instance.ufo1" familyname="InstanceFamilyName" stylename="InstanceStyleName" filename="instances/instanceTest1.ufo" postscriptfontname="InstancePostscriptName" stylemapfamilyname="InstanceStyleMapFamilyName" stylemapstylename="InstanceStyleMapStyleName">
+      <stylename xml:lang="fr">Demigras</stylename>
+      <stylename xml:lang="ja">半ば</stylename>
+      <familyname xml:lang="fr">Montserrat</familyname>
+      <familyname xml:lang="ja">モンセラート</familyname>
+      <stylemapstylename xml:lang="de">Standard</stylemapstylename>
+      <stylemapfamilyname xml:lang="de">Montserrat Halbfett</stylemapfamilyname>
+      <stylemapfamilyname xml:lang="ja">モンセラート SemiBold</stylemapfamilyname>
       <location>
         <dimension name="weight" xvalue="500"/>
         <dimension name="width" xvalue="20"/>
diff --git a/Tests/designspaceLib/data/test_v5.designspace b/Tests/designspaceLib/data/test_v5.designspace
new file mode 100644
index 00000000..2f611b49
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5.designspace
@@ -0,0 +1,294 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes elidedfallbackname="Regular">
+    <axis tag="wght" name="weight" minimum="200" maximum="1000" default="200">
+      <labelname xml:lang="en">Wéíght</labelname>
+      <labelname xml:lang="fa-IR">قطر</labelname>
+      <map input="200" output="0"/>
+      <map input="300" output="100"/>
+      <map input="400" output="368"/>
+      <map input="600" output="600"/>
+      <map input="700" output="824"/>
+      <map input="900" output="1000"/>
+      <!-- All axes provide STAT information with the "labels" element. -->
+      <labels>
+        <label uservalue="200" userminimum="200" usermaximum="250" name="Extra Light">
+          <labelname xml:lang="de">Extraleicht</labelname>
+          <labelname xml:lang="fr">Extra léger</labelname>
+        </label>
+        <label uservalue="300" userminimum="250" usermaximum="350" name="Light"/>
+        <label uservalue="400" userminimum="350" usermaximum="450" name="Regular" elidable="true"/>
+        <label uservalue="600" userminimum="450" usermaximum="650" name="Semi Bold"/>
+        <label uservalue="700" userminimum="650" usermaximum="850" name="Bold"/>
+        <label uservalue="900" userminimum="850" usermaximum="900" name="Black"/>
+      </labels>
+    </axis>
+
+    <axis tag="wdth" name="width" minimum="50" maximum="150" default="100" hidden="1">
+      <labelname xml:lang="fr">Chasse</labelname>
+      <map input="50" output="10"/>
+      <map input="100" output="20"/>
+      <map input="125" output="66"/>
+      <map input="150" output="990"/>
+      <labels ordering="1">
+        <label uservalue="50" name="Condensed"/>
+        <label uservalue="100" name="Normal" elidable="true" oldersibling="true"/>
+        <label uservalue="125" name="Wide"/>
+        <!-- Allow specifying only one end of the range, the other is assumed to
+          be infinity as does otlLib buildStatTable -->
+        <label uservalue="150" userminimum="150" name="Extra Wide"/>
+      </labels>
+    </axis>
+
+    <!--
+      Discrete axes provide a list of discrete values.
+      No interpolation is allowed between these.
+    -->
+    <axis tag="ital" name="Italic" values="0 1" default="0">
+      <labels>
+        <!-- Discrete axes also provide STAT information. -->
+        <label uservalue="0" name="Roman" elidable="true" linkeduservalue="1"/>
+        <label uservalue="1" name="Italic"/>
+      </labels>
+    </axis>
+  </axes>
+
+  <!-- Freestanding labels are analogues of STAT format 4 entries.
+        They give names to freestyle locations. -->
+  <labels>
+    <label name="Some Style">
+      <labelname xml:lang="fr">Un Style</labelname>
+      <location>
+        <dimension name="weight" uservalue="300"/>
+        <dimension name="width" uservalue="50"/>
+        <dimension name="Italic" uservalue="0"/>
+      </location>
+    </label>
+    <label name="Other">
+      <location>
+        <dimension name="weight" uservalue="700"/>
+        <dimension name="width" uservalue="100"/>
+        <dimension name="Italic" uservalue="1"/>
+      </location>
+    </label>
+  </labels>
+
+  <rules processing="last">
+    <rule name="named.rule.1">
+      <conditionset>
+        <condition name="axisName_a" minimum="0" maximum="1"/>
+        <condition name="axisName_b" minimum="2" maximum="3"/>
+      </conditionset>
+      <sub name="a" with="a.alt"/>
+    </rule>
+  </rules>
+
+  <sources>
+    <source filename="masters/masterTest1.ufo" name="master.ufo1" familyname="MasterFamilyName" stylename="MasterStyleNameOne">
+      <familyname xml:lang="fr">Montserrat</familyname>
+      <familyname xml:lang="ja">モンセラート</familyname>
+      <lib copy="1"/>
+      <features copy="1"/>
+      <info copy="1"/>
+      <glyph name="A" mute="1"/>
+      <glyph name="Z" mute="1"/>
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="width" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="masters/masterTest2.ufo" name="master.ufo2" familyname="MasterFamilyName" stylename="MasterStyleNameTwo">
+      <kerning mute="1"/>
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="20"/>
+      </location>
+    </source>
+    <source filename="masters/masterTest2.ufo" name="master.ufo2" familyname="MasterFamilyName" stylename="Supports" layer="supports">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="width" xvalue="20"/>
+      </location>
+    </source>
+  </sources>
+
+  <variable-fonts>
+    <!--
+      If this element is present, all output targets must be listed within it.
+      If it is not present, the full Designspace is the output, like in version 4.x.
+
+      Continuous axes can be included either:
+        * in full,
+        * or only on a reduced interval (different minimum-maximum),
+        * or only at 1 discrete location
+      Dicrete axes cannot be included in full, and we must specify a value
+      (or the compiler should assume the default value).
+    -->
+    <variable-font name="Test_WghtWdth" filename="Test_WghtWdth_different_from_name.ttf">
+      <!-- This one is the Roman (default location along ital),
+           with full range for the Weight axis. -->
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+      </axis-subsets>
+      <lib>
+        <dict>
+          <key>com.vtt.source</key>
+          <string>sources/vtt/Test_WghtWdth.vtt</string>
+        </dict>
+      </lib>
+    </variable-font>
+    <variable-font name="Test_Wght">
+      <!-- This one is the Roman (default location along ital),
+           with full range for the Weight axis. -->
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+      </axis-subsets>
+      <lib>
+        <dict>
+          <key>com.vtt.source</key>
+          <string>sources/vtt/Test_Wght.vtt</string>
+        </dict>
+      </lib>
+    </variable-font>
+    <variable-font name="TestCd_Wght">
+      <!-- This one is the Roman (default location along ital),
+           with full range for the Weight axis. -->
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width" uservalue="0"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="TestWd_Wght">
+      <!-- This one is the Roman (default location along ital),
+           with full range for the Weight axis. -->
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width" uservalue="1000"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="TestItalic_Wght">
+      <!-- This one is the Italic, with full range for the Weight axis. -->
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Italic" uservalue="1"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="TestRB_Wght">
+      <!-- As an example, this would be the Roman with a reduced range. -->
+      <axis-subsets>
+        <axis-subset name="Weight" userminimum="400" usermaximum="700" userdefault="400"/>
+        <axis-subset name="Italic" uservalue="0"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+
+  <instances>
+    <instance name="instance.ufo1" familyname="InstanceFamilyName" stylename="InstanceStyleName" filename="instances/instanceTest1.ufo" postscriptfontname="InstancePostscriptName" stylemapfamilyname="InstanceStyleMapFamilyName" stylemapstylename="InstanceStyleMapStyleName">
+      <stylename xml:lang="fr">Demigras</stylename>
+      <stylename xml:lang="ja">半ば</stylename>
+      <familyname xml:lang="fr">Montserrat</familyname>
+      <familyname xml:lang="ja">モンセラート</familyname>
+      <stylemapstylename xml:lang="de">Standard</stylemapstylename>
+      <stylemapfamilyname xml:lang="de">Montserrat Halbfett</stylemapfamilyname>
+      <stylemapfamilyname xml:lang="ja">モンセラート SemiBold</stylemapfamilyname>
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="20"/>
+      </location>
+
+      <!-- The following elements are deprecated in v5.0. They can still be
+           read, but they won't be written out again (they don't roundtrip). -->
+      <!-- ROUNDTRIP_TEST_REMOVE_ME_BEGIN -->
+      <glyphs>
+        <glyph mute="1" unicode="0x123 0x124 0x125" name="arrow"/>
+      </glyphs>
+      <kerning/>
+      <info/>
+      <!-- ROUNDTRIP_TEST_REMOVE_ME_END -->
+
+      <lib>
+        <dict>
+          <key>com.coolDesignspaceApp.binaryData</key>
+          <data>
+          PGJpbmFyeSBndW5rPg==
+          </data>
+          <key>com.coolDesignspaceApp.specimenText</key>
+          <string>Hamburgerwhatever</string>
+        </dict>
+      </lib>
+    </instance>
+    <instance name="instance.ufo2" familyname="InstanceFamilyName" stylename="InstanceStyleName" filename="instances/instanceTest2.ufo" postscriptfontname="InstancePostscriptName" stylemapfamilyname="InstanceStyleMapFamilyName" stylemapstylename="InstanceStyleMapStyleName">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="400" yvalue="300"/>
+      </location>
+      <!-- ROUNDTRIP_TEST_REMOVE_ME_BEGIN -->
+      <glyphs>
+        <glyph unicode="0x65 0xc9 0x12d" name="arrow">
+          <location>
+            <dimension name="weight" xvalue="120"/>
+            <dimension name="width" xvalue="100"/>
+          </location>
+          <note>A note about this glyph</note>
+          <masters>
+            <master glyphname="BB" source="master.ufo1">
+              <location>
+                <dimension name="weight" xvalue="20"/>
+                <dimension name="width" xvalue="20"/>
+              </location>
+            </master>
+            <master glyphname="CC" source="master.ufo2">
+              <location>
+                <dimension name="weight" xvalue="900"/>
+                <dimension name="width" xvalue="900"/>
+              </location>
+            </master>
+          </masters>
+        </glyph>
+        <glyph name="arrow2"/>
+      </glyphs>
+      <kerning/>
+      <info/>
+      <!-- ROUNDTRIP_TEST_REMOVE_ME_END -->
+    </instance>
+
+    <!--
+      These instances will derive all their data from the data above.
+
+      Instances can specify their location either:
+        - using the name of a location label
+        - with design coordinates (xvalue="")
+        - with user coordinates (uservalue="")
+        - with a mix of both coordinate systems
+    -->
+    <instance location="asdf"/>
+    <instance>
+      <location>
+        <dimension name="weight" xvalue="600"/>
+        <dimension name="width" xvalue="401" yvalue="420"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="weight" xvalue="10"/>
+        <dimension name="width" uservalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="weight" uservalue="300"/>
+        <dimension name="width" uservalue="130"/>
+        <dimension name="Italic" uservalue="1"/>
+      </location>
+    </instance>
+  </instances>
+
+  <lib>
+    <dict>
+      <key>com.coolDesignspaceApp.previewSize</key>
+      <integer>30</integer>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_MutatorSans_and_Serif.designspace b/Tests/designspaceLib/data/test_v5_MutatorSans_and_Serif.designspace
new file mode 100644
index 00000000..d0fbb3d2
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_MutatorSans_and_Serif.designspace
@@ -0,0 +1,206 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes elidedfallbackname="Regular">
+    <axis tag="SRIF" name="serif" values="0 1" default="0">
+      <labels>
+        <label uservalue="0" name="Sans"/>
+        <label uservalue="1" name="Serif"/>
+      </labels>
+    </axis>
+    <axis tag="wght" name="weight" minimum="300" maximum="700" default="300">
+      <map input="300" output="0"/>
+      <map input="500" output="500"/>
+      <map input="700" output="1000"/>
+      <labels>
+        <label uservalue="300" userminimum="300" usermaximum="400" name="Light"/>
+        <label uservalue="500" userminimum="400" usermaximum="600" name="Medium"/>
+        <label uservalue="700" userminimum="600" usermaximum="700" name="Bold"/>
+      </labels>
+    </axis>
+    <axis tag="wdth" name="width" minimum="50" maximum="200" default="50">
+      <map input="50" output="0"/>
+      <map input="100" output="500"/>
+      <map input="200" output="1000"/>
+      <labels>
+        <label uservalue="50" userminimum="50" usermaximum="75" name="Condensed"/>
+        <label uservalue="100" userminimum="75" usermaximum="125" name="Normal" elidable="true"/>
+        <label uservalue="200" userminimum="125" usermaximum="200" name="Extended"/>
+      </labels>
+    </axis>
+  </axes>
+  <labels>
+    <label name="S1">
+      <location>
+        <dimension name="width" uservalue="158.9044"/>
+        <dimension name="weight" uservalue="610.2436"/>
+      </location>
+    </label>
+    <label name="S2">
+      <location>
+        <dimension name="width" uservalue="159.1956"/>
+        <dimension name="weight" uservalue="642.2196"/>
+      </location>
+    </label>
+  </labels>
+  <rules>
+    <rule name="fold_I_serifs">
+      <conditionset>
+        <condition name="width" minimum="0" maximum="328"/>
+        <condition name="serif" minimum="0" maximum="0"/>
+      </conditionset>
+      <sub name="I" with="I.narrow"/>
+    </rule>
+    <rule name="fold_S_terminals">
+      <conditionset>
+        <condition name="width" minimum="0" maximum="1000"/>
+        <condition name="weight" minimum="0" maximum="500"/>
+        <condition name="serif" minimum="0" maximum="0.5"/>
+      </conditionset>
+      <sub name="S" with="S.closed"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="MutatorSansLightCondensed.ufo" name="master.MutatorMathTest.LightCondensed.0" familyname="MutatorMathTest" stylename="LightCondensed">
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="MutatorSansBoldCondensed.ufo" name="master.MutatorMathTest.BoldCondensed.1" familyname="MutatorMathTest" stylename="BoldCondensed">
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="MutatorSansLightWide.ufo" name="master.MutatorMathTest.LightWide.2" familyname="MutatorMathTest" stylename="LightWide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="MutatorSansBoldWide.ufo" name="master.MutatorMathTest.BoldWide.3" familyname="MutatorMathTest" stylename="BoldWide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="MutatorSansLightCondensed.ufo" name="support.crossbar" layer="support.crossbar">
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="700"/>
+      </location>
+    </source>
+    <source filename="MutatorSansLightCondensed.ufo" name="support.S.wide" layer="support.S.wide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="700"/>
+      </location>
+    </source>
+    <source filename="MutatorSansLightCondensed.ufo" name="support.S.middle" layer="support.S.middle">
+      <location>
+        <dimension name="width" xvalue="569.078000"/>
+        <dimension name="weight" xvalue="700"/>
+      </location>
+    </source>
+    <source filename="MutatorSerifLightCondensed.ufo" familyname="MutatorMathTest" stylename="SerifLightCondensed">
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="serif" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="MutatorSerifLightWide.ufo" familyname="MutatorMathTest" stylename="SerifLightWide">
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="serif" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+  <variable-fonts>
+    <variable-font name="MutatorSansVariable_Weight_Width">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="MutatorSansVariable_Weight">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="MutatorSansVariable_Width">
+      <axis-subsets>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="MutatorSerifVariable_Width">
+      <axis-subsets>
+        <axis-subset name="serif" uservalue="1"/>
+        <axis-subset name="width"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+  <instances>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="327"/>
+        <dimension name="weight" xvalue="500"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="327"/>
+        <dimension name="weight" xvalue="500"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="569.078"/>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="1000"/>
+        <dimension name="weight" xvalue="500"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="serif" xvalue="0"/>
+      </location>
+    </instance>
+    <instance>
+      <location>
+        <dimension name="width" xvalue="0"/>
+        <dimension name="serif" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_aktiv.designspace b/Tests/designspaceLib/data/test_v5_aktiv.designspace
new file mode 100644
index 00000000..32dfd1ae
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_aktiv.designspace
@@ -0,0 +1,621 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" minimum="100" maximum="900" default="400">
+      <map input="100" output="22"/>
+      <map input="200" output="38"/>
+      <map input="300" output="57"/>
+      <map input="400" output="84"/>
+      <map input="500" output="98"/>
+      <map input="600" output="115"/>
+      <map input="700" output="133"/>
+      <map input="800" output="158"/>
+      <map input="900" output="185"/>
+      <labels ordering="1">
+        <label uservalue="100" name="Hair"/>
+        <label uservalue="200" name="Thin"/>
+        <label uservalue="300" name="Light"/>
+        <label uservalue="400" name="Regular" elidable="true" linkeduservalue="700"/>
+        <label uservalue="500" name="Medium"/>
+        <label uservalue="600" name="SemiBold"/>
+        <label uservalue="700" name="Bold"/>
+        <label uservalue="800" name="XBold"/>
+        <label uservalue="900" name="Black"/>
+      </labels>
+    </axis>
+    <axis tag="wdth" name="Width" minimum="75" maximum="125" default="100">
+      <labels ordering="0">
+        <label uservalue="75" name="Cd"/>
+        <label uservalue="100" name="Normal" elidable="true"/>
+        <label uservalue="125" name="Ex"/>
+      </labels>
+    </axis>
+    <axis tag="ital" name="Italic" minimum="0" maximum="1" default="0">
+      <labels ordering="2">
+        <label uservalue="0" name="Upright" elidable="true" linkeduservalue="1"/>
+        <label uservalue="1" name="Italic"/>
+      </labels>
+    </axis>
+  </axes>
+
+  <rules processing="last">
+    <rule name="BRACKET.CYR">
+      <conditionset>
+        <condition name="Italic" minimum="0.1" maximum="1"/>
+      </conditionset>
+      <sub name="ghe.loclSRB" with="ghe.ital.loclSRB"/>
+      <sub name="ghe.loclMKD" with="ghe.ital.loclMKD"/>
+      <sub name="de.loclMKDSRB" with="de.ital.loclMKDSRB"/>
+      <sub name="pe.loclMKDSRB" with="pe.ital.loclMKDSRB"/>
+      <sub name="te.loclMKDSRB" with="te.ital.loclMKDSRB"/>
+      <sub name="gje.loclMKD" with="gje.ital.loclMKD"/>
+      <sub name="sha.loclMKDSRB" with="sha.ital.loclMKDSRB"/>
+    </rule>
+    <rule name="BRACKET.116.185">
+      <conditionset>
+        <condition name="Weight" minimum="116" maximum="185"/>
+        <condition name="Width" minimum="75" maximum="97.5"/>
+      </conditionset>
+      <sub name="cent" with="cent.BRACKET.130"/>
+      <sub name="dollar" with="dollar.BRACKET.130"/>
+    </rule>
+  </rules>
+
+  <sources>
+    <source filename="AktivGroteskCd_Hair.ufo" name="Aktiv Grotesk Cd Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskCd_HairIt.ufo" name="Aktiv Grotesk Cd Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_Hair.ufo" name="Aktiv Grotesk Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_HairIt.ufo" name="Aktiv Grotesk Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_Hair.ufo" name="Aktiv Grotesk Ex Hair">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_HairIt.ufo" name="Aktiv Grotesk Ex Hair Italic">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskCd_Rg.ufo" name="Aktiv Grotesk Cd">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskCd_It.ufo" name="Aktiv Grotesk Cd Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" familyname="Aktiv Grotesk">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_Rg.ufo" name="Aktiv Grotesk Regular" layer="{126,100,0}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_It.ufo" name="Aktiv Grotesk Italic {126,100,1}" layer="{126,100,1}">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_Rg.ufo" name="Aktiv Grotesk Ex">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_It.ufo" name="Aktiv Grotesk Ex Italic">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskCd_Blk.ufo" name="Aktiv Grotesk Cd Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskCd_BlkIt.ufo" name="Aktiv Grotesk Cd Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_Blk.ufo" name="Aktiv Grotesk Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGrotesk_BlkIt.ufo" name="Aktiv Grotesk Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_Blk.ufo" name="Aktiv Grotesk Ex Black">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="AktivGroteskEx_BlkIt.ufo" name="Aktiv Grotesk Ex Black Italic">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+
+  <variable-fonts>
+    <variable-font name="AktivGroteskVF_WghtWdthItal">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+        <axis-subset name="Italic"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_WghtWdth">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Wght">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Italics_WghtWdth">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Width"/>
+        <axis-subset name="Italic" uservalue="1"/>
+      </axis-subsets>
+    </variable-font>
+    <variable-font name="AktivGroteskVF_Italics_Wght">
+      <axis-subsets>
+        <axis-subset name="Weight"/>
+        <axis-subset name="Italic" uservalue="1"/>
+      </axis-subsets>
+    </variable-font>
+  </variable-fonts>
+
+  <instances>
+    <instance filename="instances/AktivGroteskCd_Hair.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_HairIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Hair.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_HairIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_Hair.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_HairIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="22"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_Th.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_ThIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Th.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_ThIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_Th.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_ThIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="38"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_Lt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_LtIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Lt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
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+      <location>
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+        <dimension name="Width" xvalue="100"/>
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+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
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+      <location>
+        <dimension name="Weight" xvalue="57"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_Rg.ufo">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_It.ufo">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Rg.ufo">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
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+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
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+    </instance>
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+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
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+    </instance>
+    <instance filename="instances/AktivGroteskEx_It.ufo">
+      <location>
+        <dimension name="Weight" xvalue="84"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
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+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
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+    </instance>
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+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Md.ufo">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
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+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
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+    </instance>
+    <instance filename="instances/AktivGroteskEx_Md.ufo">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
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+    </instance>
+    <instance filename="instances/AktivGroteskEx_MdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="98"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGroteskCd_SBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGroteskCd_SBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGrotesk_SBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGrotesk_SBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGroteskEx_SBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="../build/instances/AktivGroteskEx_SBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="115"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_Bd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_BdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Bd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_BdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_Bd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_BdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="133"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_XBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_XBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_XBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_XBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_XBd.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_XBdIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="158"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_Blk.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskCd_BlkIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_Blk.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGrotesk_BlkIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="100"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_Blk.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance filename="instances/AktivGroteskEx_BlkIt.ufo">
+      <location>
+        <dimension name="Weight" xvalue="185"/>
+        <dimension name="Width" xvalue="125"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_decovar.designspace b/Tests/designspaceLib/data/test_v5_decovar.designspace
new file mode 100644
index 00000000..fd31626e
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_decovar.designspace
@@ -0,0 +1,242 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="BLDA" name="Inline" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMD" name="Shearded" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMC" name="Rounded Slab" minimum="0" maximum="1000" default="0"/>
+    <axis tag="SKLD" name="Stripes" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRML" name="Worm Terminal" minimum="0" maximum="1000" default="0"/>
+    <axis tag="SKLA" name="Inline Skeleton" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMF" name="Open Inline Terminal" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMK" name="Inline Terminal" minimum="0" maximum="1000" default="0"/>
+    <axis tag="BLDB" name="Worm" minimum="0" maximum="1000" default="0"/>
+    <axis tag="WMX2" name="Weight" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMB" name="Flared" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMA" name="Rounded" minimum="0" maximum="1000" default="0"/>
+    <axis tag="SKLB" name="Worm Skeleton" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRMG" name="Slab" minimum="0" maximum="1000" default="0"/>
+    <axis tag="TRME" name="Bifurcated" minimum="0" maximum="1000" default="0"/>
+  </axes>
+
+  <!-- Labels without location or just partly specified location are at the default location plus the explicitly given sub-locations. -->
+  <labels>
+    <label name="Default" elidable="true"/>
+    <label name="Open">
+      <labelname xml:lang="de">Offen</labelname>
+      <location>
+        <dimension name="Inline" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Worm">
+      <location>
+        <dimension name="Worm" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Checkered">
+      <location>
+        <dimension name="Inline Skeleton" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Checkered Reverse">
+      <location>
+        <dimension name="Inline Terminal" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Striped">
+      <location>
+        <dimension name="Stripes" uservalue="500"/>
+      </location>
+    </label>
+    <label name="Rounded">
+      <location>
+        <dimension name="Rounded" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Flared">
+      <location>
+        <dimension name="Flared" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Flared Open">
+      <location>
+        <dimension name="Inline Skeleton" uservalue="1000"/>
+        <dimension name="Flared" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Rounded Slab">
+      <location>
+        <dimension name="Rounded Slab" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Sheared">
+      <location>
+        <dimension name="Shearded" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Bifurcated">
+      <location>
+        <dimension name="Bifurcated" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Inline">
+      <location>
+        <dimension name="Inline Skeleton" uservalue="500"/>
+        <dimension name="Open Inline Terminal" uservalue="500"/>
+      </location>
+    </label>
+    <label name="Slab">
+      <location>
+        <dimension name="Slab" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Contrast">
+      <location>
+        <dimension name="Weight" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Fancy">
+      <location>
+        <dimension name="Inline Skeleton" uservalue="1000"/>
+        <dimension name="Weight" uservalue="1000"/>
+        <dimension name="Flared" uservalue="1000"/>
+      </location>
+    </label>
+    <label name="Mayhem">
+      <location>
+        <dimension name="Rounded Slab" uservalue="750"/>
+        <dimension name="Worm Terminal" uservalue="250"/>
+        <dimension name="Inline Skeleton" uservalue="1000"/>
+        <dimension name="Open Inline Terminal" uservalue="250"/>
+        <dimension name="Inline Terminal" uservalue="250"/>
+        <dimension name="Worm" uservalue="1000"/>
+        <dimension name="Weight" uservalue="750"/>
+        <dimension name="Flared" uservalue="500"/>
+        <dimension name="Rounded" uservalue="500"/>
+        <dimension name="Worm Skeleton" uservalue="1000"/>
+        <dimension name="Slab" uservalue="750"/>
+        <dimension name="Bifurcated" uservalue="500"/>
+      </location>
+    </label>
+  </labels>
+
+  <sources>
+    <source filename="DecovarAlpha-Regular24.ufo" name="master_Regular"/>
+    <source filename="DecovarAlpha-Regular24SkelA.ufo" name="master_sklA">
+      <location>
+        <dimension name="Inline Skeleton" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24SkelD2.ufo" name="master_sklD2">
+      <location>
+        <dimension name="Stripes" xvalue="500"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24SkelD4.ufo" name="master_sklD4">
+      <location>
+        <dimension name="Stripes" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24SkelB2.ufo" name="master_sklB2">
+      <location>
+        <dimension name="Worm Skeleton" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermA.ufo" name="master_trmA">
+      <location>
+        <dimension name="Rounded" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermB.ufo" name="master_trmB">
+      <location>
+        <dimension name="Flared" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermC.ufo" name="master_trmC">
+      <location>
+        <dimension name="Rounded Slab" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermD.ufo" name="master_trmD">
+      <location>
+        <dimension name="Shearded" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermE.ufo" name="master_trmE">
+      <location>
+        <dimension name="Bifurcated" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermF.ufo" name="master_trmF">
+      <location>
+        <dimension name="Open Inline Terminal" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermG.ufo" name="master_trmG">
+      <location>
+        <dimension name="Slab" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermSkelA.ufo" name="master_trmK">
+      <location>
+        <dimension name="Inline Terminal" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24TermSkelB.ufo" name="master_trmL">
+      <location>
+        <dimension name="Worm Terminal" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24WeightMax1.ufo" name="master_wmx1">
+      <location>
+        <dimension name="Weight" xvalue="5"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24WeightMax1.5.ufo" name="master_wmx1.5">
+      <location>
+        <dimension name="Weight" xvalue="507.806"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24WeightMax2.ufo" name="master_wmx2">
+      <location>
+        <dimension name="Weight" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24bldA.ufo" name="master_bldA">
+      <location>
+        <dimension name="Inline" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="DecovarAlpha-Regular24bldB.ufo" name="master_bldB">
+      <location>
+        <dimension name="Worm" xvalue="1000"/>
+      </location>
+    </source>
+  </sources>
+
+  <instances>
+    <!--
+      This designspace defines LocationLabels (STAT format 4) for various
+      points within the design space. In order to define instances at these
+      locations, DS version 5 provides the `location="..."` attribute which
+      means that the instance is in the same location as the LocationLabel
+      with the given name.
+    -->
+    <instance location="Default" filename="DecovarAlpha-Default.ufo"/>
+    <instance location="Open" filename="DecovarAlpha-Open.ufo"/>
+    <instance location="Worm" filename="DecovarAlpha-Worm.ufo"/>
+    <instance location="Checkered" filename="DecovarAlpha-Checkered.ufo"/>
+    <instance location="Checkered Reverse" filename="DecovarAlpha-CheckeredReverse.ufo"/>
+    <instance location="Striped" filename="DecovarAlpha-Striped.ufo"/>
+    <instance location="Rounded" filename="DecovarAlpha-Rounded.ufo"/>
+    <instance location="Flared" filename="DecovarAlpha-Flared.ufo"/>
+    <instance location="Flared Open" filename="DecovarAlpha-FlaredOpen.ufo"/>
+    <instance location="Rounded Slab" filename="DecovarAlpha-RoundedSlab.ufo"/>
+    <instance location="Sheared" filename="DecovarAlpha-Sheared.ufo"/>
+    <instance location="Bifurcated" filename="DecovarAlpha-Bifurcated.ufo"/>
+    <instance location="Inline" filename="DecovarAlpha-Inline.ufo"/>
+    <instance location="Slab" filename="DecovarAlpha-Slab.ufo"/>
+    <instance location="Contrast" filename="DecovarAlpha-Contrast.ufo"/>
+    <instance location="Fancy" filename="DecovarAlpha-Fancy.ufo"/>
+    <instance location="Mayhem" filename="DecovarAlpha-Mayhem.ufo"/>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_discrete.designspace b/Tests/designspaceLib/data/test_v5_discrete.designspace
new file mode 100644
index 00000000..f42f2dc9
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_discrete.designspace
@@ -0,0 +1,139 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="Weight" values="400 700 900" default="400">
+      <labels>
+        <label uservalue="400" name="Regular" elidable="true" linkeduservalue="700"/>
+        <label uservalue="700" name="Bold"/>
+        <label uservalue="900" name="Black"/>
+      </labels>
+    </axis>
+    <axis tag="wdth" name="Width" values="75 100" default="100">
+      <labels>
+        <label uservalue="75" name="Narrow"/>
+        <label uservalue="100" name="Normal" elidable="true"/>
+      </labels>
+    </axis>
+    <axis tag="ital" name="Italic" values="0 1" default="0">
+      <labels>
+        <label uservalue="0" name="Roman" elidable="true" linkeduservalue="1"/>
+        <label uservalue="1" name="Italic"/>
+      </labels>
+    </axis>
+  </axes>
+
+  <sources>
+    <source filename="arial.ufo" name="Arial Regular">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+      </location>
+    </source>
+    <source filename="arialbd.ufo" name="Arial Bold">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+      </location>
+    </source>
+    <source filename="ariblk.ufo" name="Arial Black">
+      <location>
+        <dimension name="Weight" xvalue="900"/>
+      </location>
+    </source>
+    <source filename="ariali.ufo" name="Arial Italic">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="arialbi.ufo" name="Arial Bold Italic">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="ARIALN.ufo" name="Arial Narrow">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="ARIALNB.ufo" name="Arial Narrow Bold">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </source>
+    <source filename="ARIALNBI.ufo" name="Arial Narrow Bold Italic">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="ARIALNI.ufo" name="Arial Narrow Italic">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+
+  <instances>
+    <instance name="Arial Regular">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+      </location>
+    </instance>
+    <instance name="Arial Bold">
+      <!-- Should be stylemapstylename="bold" -->
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+      </location>
+    </instance>
+    <instance name="Arial Black">
+      <location>
+        <dimension name="Weight" xvalue="900"/>
+      </location>
+    </instance>
+    <instance name="Arial Italic">
+      <!-- Should be stylemapstylename="italic" -->
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Arial Bold Italic">
+      <!-- Should be stylemapstylename="bold italic" -->
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Arial Narrow">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Arial Narrow Bold">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Width" xvalue="75"/>
+      </location>
+    </instance>
+    <instance name="Arial Narrow Bold Italic">
+      <location>
+        <dimension name="Weight" xvalue="700"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance name="Arial Narrow Italic">
+      <location>
+        <dimension name="Weight" xvalue="400"/>
+        <dimension name="Width" xvalue="75"/>
+        <dimension name="Italic" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_original.designspace b/Tests/designspaceLib/data/test_v5_original.designspace
new file mode 100644
index 00000000..d144a073
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_original.designspace
@@ -0,0 +1,90 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <!--
+    NOTE: this file is the same as test_v4_original, except:
+      - the format is 5,
+      - source location width = 20 are not written out because it's the default
+      - instance <glyphs>, <kerning>, <info> are removed because deprecated
+  -->
+  <axes>
+    <axis tag="wght" name="weight" minimum="0" maximum="1000" default="0">
+      <labelname xml:lang="en">Wéíght</labelname>
+      <labelname xml:lang="fa-IR">قطر</labelname>
+    </axis>
+    <axis tag="wdth" name="width" minimum="0" maximum="1000" default="15" hidden="1">
+      <labelname xml:lang="fr">Chasse</labelname>
+      <map input="0" output="10"/>
+      <map input="15" output="20"/>
+      <map input="401" output="66"/>
+      <map input="1000" output="990"/>
+    </axis>
+  </axes>
+  <rules processing="last">
+    <rule name="named.rule.1">
+      <conditionset>
+        <condition name="axisName_a" minimum="0" maximum="1"/>
+        <condition name="axisName_b" minimum="2" maximum="3"/>
+      </conditionset>
+      <sub name="a" with="a.alt"/>
+    </rule>
+  </rules>
+  <sources>
+    <source filename="masters/masterTest1.ufo" name="master.ufo1" familyname="MasterFamilyName" stylename="MasterStyleNameOne">
+      <lib copy="1"/>
+      <features copy="1"/>
+      <info copy="1"/>
+      <glyph name="A" mute="1"/>
+      <glyph name="Z" mute="1"/>
+      <location>
+        <dimension name="weight" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="masters/masterTest2.ufo" name="master.ufo2" familyname="MasterFamilyName" stylename="MasterStyleNameTwo">
+      <kerning mute="1"/>
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </source>
+    <source filename="masters/masterTest2.ufo" name="master.ufo2" familyname="MasterFamilyName" stylename="Supports" layer="supports">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+      </location>
+    </source>
+  </sources>
+  <instances>
+    <instance name="instance.ufo1" familyname="InstanceFamilyName" stylename="InstanceStyleName" filename="instances/instanceTest1.ufo" postscriptfontname="InstancePostscriptName" stylemapfamilyname="InstanceStyleMapFamilyName" stylemapstylename="InstanceStyleMapStyleName">
+      <stylename xml:lang="fr">Demigras</stylename>
+      <stylename xml:lang="ja">半ば</stylename>
+      <familyname xml:lang="fr">Montserrat</familyname>
+      <familyname xml:lang="ja">モンセラート</familyname>
+      <stylemapstylename xml:lang="de">Standard</stylemapstylename>
+      <stylemapfamilyname xml:lang="de">Montserrat Halbfett</stylemapfamilyname>
+      <stylemapfamilyname xml:lang="ja">モンセラート SemiBold</stylemapfamilyname>
+      <location>
+        <dimension name="weight" xvalue="500"/>
+      </location>
+      <lib>
+        <dict>
+          <key>com.coolDesignspaceApp.binaryData</key>
+          <data>
+          PGJpbmFyeSBndW5rPg==
+          </data>
+          <key>com.coolDesignspaceApp.specimenText</key>
+          <string>Hamburgerwhatever</string>
+        </dict>
+      </lib>
+    </instance>
+    <instance name="instance.ufo2" familyname="InstanceFamilyName" stylename="InstanceStyleName" filename="instances/instanceTest2.ufo" postscriptfontname="InstancePostscriptName" stylemapfamilyname="InstanceStyleMapFamilyName" stylemapstylename="InstanceStyleMapStyleName">
+      <location>
+        <dimension name="weight" xvalue="500"/>
+        <dimension name="width" xvalue="400" yvalue="300"/>
+      </location>
+    </instance>
+  </instances>
+  <lib>
+    <dict>
+      <key>com.coolDesignspaceApp.previewSize</key>
+      <integer>30</integer>
+    </dict>
+  </lib>
+</designspace>
diff --git a/Tests/designspaceLib/data/test_v5_sourceserif.designspace b/Tests/designspaceLib/data/test_v5_sourceserif.designspace
new file mode 100644
index 00000000..d3a32177
--- /dev/null
+++ b/Tests/designspaceLib/data/test_v5_sourceserif.designspace
@@ -0,0 +1,646 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<designspace format="5.0">
+  <axes>
+    <axis tag="wght" name="weight" minimum="200" maximum="900" default="400">
+      <map input="200" output="0"/>
+      <map input="300" output="145"/>
+      <map input="400" output="394"/>
+      <map input="600" output="594"/>
+      <map input="700" output="823"/>
+      <map input="900" output="1000"/>
+      <labels ordering="1">
+        <label uservalue="200" userminimum="200" usermaximum="250" name="ExtraLight"/>
+        <label uservalue="300" userminimum="250" usermaximum="350" name="Light"/>
+        <label uservalue="400" userminimum="350" usermaximum="450" name="Regular" elidable="true"/>
+        <label uservalue="600" userminimum="550" usermaximum="650" name="Semibold"/>
+        <label uservalue="700" userminimum="650" usermaximum="750" name="Bold"/>
+        <label uservalue="775" userminimum="750" usermaximum="800" name="ExtraBold"/>
+        <label uservalue="900" userminimum="800" usermaximum="900" name="Black"/>
+      </labels>
+    </axis>
+    <axis tag="opsz" name="optical" minimum="8" maximum="60" default="20">
+      <labels ordering="0">
+        <label uservalue="8" userminimum="8" usermaximum="12" name="Caption"/>
+        <label uservalue="16" userminimum="12" usermaximum="18" name="SmallText"/>
+        <label uservalue="20" userminimum="18" usermaximum="26" name="Text" elidable="true"/>
+        <label uservalue="32" userminimum="26" usermaximum="48" name="Subhead"/>
+        <label uservalue="60" userminimum="48" usermaximum="60" name="Display"/>
+      </labels>
+    </axis>
+    <axis tag="ital" name="italic" values="0 1" default="0">
+      <labels ordering="2">
+        <label uservalue="0" name="Roman" elidable="true"/>
+        <label uservalue="1" name="Italic"/>
+      </labels>
+    </axis>
+  </axes>
+
+  <sources>
+    <source filename="caption/master_0/SourceSerif_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="caption/master_1/SourceSerif_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="caption/master_2/SourceSerif_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="text/master_0/SourceSerif_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="text/master_1/SourceSerif_1.ufo" familyname="Source Serif 4">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="text/master_2/SourceSerif_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="display/master_0/SourceSerif_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="display/master_1/SourceSerif_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+    <source filename="display/master_2/SourceSerif_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </source>
+
+    <source filename="caption/master_0/SourceSerif-Italic_c0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="caption/master_1/SourceSerif-Italic_c1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="caption/master_2/SourceSerif-Italic_c2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="text/master_0/SourceSerif-Italic_0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="text/master_1/SourceSerif-Italic_1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="text/master_2/SourceSerif-Italic_2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="display/master_0/SourceSerif-Italic_d0.ufo">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="display/master_1/SourceSerif-Italic_d1.ufo">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+    <source filename="display/master_2/SourceSerif-Italic_d2.ufo">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </source>
+  </sources>
+
+  <variable-fonts>
+    <variable-font name="SourceSerif4Variable-Roman">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="optical"/>
+        <axis-subset name="italic" uservalue="0"/>
+      </axis-subsets>
+      <!-- The per-variable-font lib is to be merged into the global lib on
+         conversion to a DS v4, overwriting keys in the global lib. -->
+      <lib>
+        <dict>
+          <key>public.skipExportGlyphs</key>
+          <array>
+            <string>caron.alt</string>
+            <string>commabelowcmb.alt</string>
+            <string>tonos.cap</string>
+            <string>f.ligalong</string>
+            <string>dieresiscmb.tight</string>
+            <string>IJ</string>
+            <string>Tbar</string>
+            <string>colontriangularmod</string>
+            <string>crossmark</string>
+            <string>ij</string>
+            <string>overline</string>
+            <string>similar</string>
+            <string>tbar</string>
+            <string>triangularbullet</string>
+            <string>turkicdsccmb</string>
+          </array>
+        </dict>
+      </lib>
+    </variable-font>
+    <variable-font name="SourceSerif4Variable-Italic">
+      <axis-subsets>
+        <axis-subset name="weight"/>
+        <axis-subset name="optical"/>
+        <axis-subset name="italic" uservalue="1"/>
+      </axis-subsets>
+      <lib>
+        <dict>
+          <key>public.skipExportGlyphs</key>
+          <array>
+            <string>caron.alt</string>
+            <string>commabelowcmb.alt</string>
+            <string>f.liga</string>
+            <string>f.ligalong</string>
+            <string>tonos.cap</string>
+            <string>dieresiscmb.tight</string>
+            <string>turkicdsccmb</string>
+          </array>
+        </dict>
+      </lib>
+    </variable-font>
+  </variable-fonts>
+
+  <instances>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-CaptionBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText ExtraLight" postscriptfontname="SourceSerif4Roman-SmTextExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Light" postscriptfontname="SourceSerif4Roman-SmTextLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText" postscriptfontname="SourceSerif4Roman-SmTextRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Semibold" postscriptfontname="SourceSerif4Roman-SmTextSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Bold" postscriptfontname="SourceSerif4Roman-SmTextBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Black" postscriptfontname="SourceSerif4Roman-SmTextBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-ExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-Light">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance stylename="Regular" postscriptfontname="SourceSerif4Roman-Regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-Semibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-Bold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-Black">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-SubheadBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplayExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplayLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplayRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplaySemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplayBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Roman-DisplayBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="0"/>
+      </location>
+    </instance>
+
+    <instance postscriptfontname="SourceSerif4Italic-CaptionExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-CaptionLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-CaptionRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-CaptionSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-CaptionBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-CaptionBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="8"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText ExtraLight Italic" postscriptfontname="SourceSerif4Italic-SmTextExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Light Italic" postscriptfontname="SourceSerif4Italic-SmTextLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Italic" postscriptfontname="SourceSerif4Italic-SmTextRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Semibold Italic" postscriptfontname="SourceSerif4Italic-SmTextSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Bold Italic" postscriptfontname="SourceSerif4Italic-SmTextBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance stylename="SmText Black Italic" postscriptfontname="SourceSerif4Italic-SmTextBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="16"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-ExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-Light">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-Regular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-Semibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-Bold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-Black">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="20"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadSemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-SubheadBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="32"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplayExtraLight">
+      <location>
+        <dimension name="weight" xvalue="0"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplayLight">
+      <location>
+        <dimension name="weight" xvalue="145"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplayRegular">
+      <location>
+        <dimension name="weight" xvalue="394"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplaySemibold">
+      <location>
+        <dimension name="weight" xvalue="594"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplayBold">
+      <location>
+        <dimension name="weight" xvalue="823"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+    <instance postscriptfontname="SourceSerif4Italic-DisplayBlack">
+      <location>
+        <dimension name="weight" xvalue="1000"/>
+        <dimension name="optical" xvalue="60"/>
+        <dimension name="italic" xvalue="1"/>
+      </location>
+    </instance>
+  </instances>
+</designspace>
diff --git a/Tests/designspaceLib/designspace_test.py b/Tests/designspaceLib/designspace_test.py
index b6ee9d65..ee2d19e6 100644
--- a/Tests/designspaceLib/designspace_test.py
+++ b/Tests/designspaceLib/designspace_test.py
@@ -1,15 +1,26 @@
 # coding=utf-8
 
 import os
-import sys
-import pytest
-import warnings
+import re
 
-from fontTools.misc import plistlib
-from fontTools.designspaceLib import (
-    DesignSpaceDocument, SourceDescriptor, AxisDescriptor, RuleDescriptor,
-    InstanceDescriptor, evaluateRule, processRules, posix, DesignSpaceDocumentError)
+import pytest
 from fontTools import ttLib
+from fontTools.designspaceLib import (
+    AxisDescriptor,
+    AxisLabelDescriptor,
+    DesignSpaceDocument,
+    DesignSpaceDocumentError,
+    DiscreteAxisDescriptor,
+    InstanceDescriptor,
+    RuleDescriptor,
+    SourceDescriptor,
+    evaluateRule,
+    posix,
+    processRules,
+)
+from fontTools.designspaceLib.types import Range
+from fontTools.misc import plistlib
+
 
 def _axesAsDict(axes):
     """
@@ -30,19 +41,22 @@ def _axesAsDict(axes):
 
 
 def assert_equals_test_file(path, test_filename):
-    with open(path) as fp:
+    with open(path, encoding="utf-8") as fp:
         actual = fp.read()
 
     test_path = os.path.join(os.path.dirname(__file__), test_filename)
-    with open(test_path) as fp:
+    with open(test_path, encoding="utf-8") as fp:
         expected = fp.read()
+        expected = re.sub(r"<!--(.|\n)*?-->", "", expected)
+        expected = re.sub(r"\s*\n+", "\n", expected)
 
     assert actual == expected
 
 
 def test_fill_document(tmpdir):
     tmpdir = str(tmpdir)
-    testDocPath = os.path.join(tmpdir, "test.designspace")
+    testDocPath = os.path.join(tmpdir, "test_v4.designspace")
+    testDocPath5 = os.path.join(tmpdir, "test_v5.designspace")
     masterPath1 = os.path.join(tmpdir, "masters", "masterTest1.ufo")
     masterPath2 = os.path.join(tmpdir, "masters", "masterTest2.ufo")
     instancePath1 = os.path.join(tmpdir, "instances", "instanceTest1.ufo")
@@ -121,6 +135,10 @@ def test_fill_document(tmpdir):
     i1.postScriptFontName = "InstancePostscriptName"
     i1.styleMapFamilyName = "InstanceStyleMapFamilyName"
     i1.styleMapStyleName = "InstanceStyleMapStyleName"
+    i1.localisedStyleName = dict(fr="Demigras", ja="半ば")
+    i1.localisedFamilyName = dict(fr="Montserrat", ja="モンセラート")
+    i1.localisedStyleMapStyleName = dict(de="Standard")
+    i1.localisedStyleMapFamilyName = dict(de="Montserrat Halbfett", ja="モンセラート SemiBold")
     glyphData = dict(name="arrow", mute=True, unicodes=[0x123, 0x124, 0x125])
     i1.glyphs['arrow'] = glyphData
     i1.lib['com.coolDesignspaceApp.binaryData'] = plistlib.Data(b'<binary gunk>')
@@ -158,16 +176,21 @@ def test_fill_document(tmpdir):
     ])
     r1.subs.append(("a", "a.alt"))
     doc.addRule(r1)
-    # write the document
+    # write the document; without an explicit format it will be 5.0 by default
+    doc.write(testDocPath5)
+    assert os.path.exists(testDocPath5)
+    assert_equals_test_file(testDocPath5, 'data/test_v5_original.designspace')
+    # write again with an explicit format = 4.1
+    doc.formatVersion = "4.1"
     doc.write(testDocPath)
     assert os.path.exists(testDocPath)
-    assert_equals_test_file(testDocPath, 'data/test.designspace')
+    assert_equals_test_file(testDocPath, 'data/test_v4_original.designspace')
     # import it again
     new = DesignSpaceDocument()
     new.read(testDocPath)
 
     assert new.default.location == {'width': 20.0, 'weight': 0.0}
-    assert new.filename == 'test.designspace'
+    assert new.filename == 'test_v4.designspace'
     assert new.lib == doc.lib
     assert new.instances[0].lib == doc.instances[0].lib
 
@@ -197,6 +220,7 @@ def test_unicodes(tmpdir):
     instancePath1 = os.path.join(tmpdir, "instances", "instanceTest1.ufo")
     instancePath2 = os.path.join(tmpdir, "instances", "instanceTest2.ufo")
     doc = DesignSpaceDocument()
+    doc.formatVersion = "4.1"  # This test about instance glyphs is deprecated in v5
     # add master 1
     s1 = SourceDescriptor()
     s1.filename = os.path.relpath(masterPath1, os.path.dirname(testDocPath))
@@ -832,7 +856,7 @@ def test_updatePaths(tmpdir):
 
 def test_read_with_path_object():
     import pathlib
-    source = (pathlib.Path(__file__) / "../data/test.designspace").resolve()
+    source = (pathlib.Path(__file__) / "../data/test_v4_original.designspace").resolve()
     assert source.exists()
     doc = DesignSpaceDocument()
     doc.read(source)
@@ -841,7 +865,7 @@ def test_read_with_path_object():
 def test_with_with_path_object(tmpdir):
     import pathlib
     tmpdir = str(tmpdir)
-    dest = pathlib.Path(tmpdir) / "test.designspace"
+    dest = pathlib.Path(tmpdir) / "test_v4_original.designspace"
     doc = DesignSpaceDocument()
     doc.write(dest)
     assert dest.exists()
@@ -1020,3 +1044,23 @@ def test_addRuleDescriptor(tmp_path):
 
     # Test it doesn't crash.
     ds.write(tmp_path / "test.designspace")
+
+
+def test_deepcopyExceptFonts():
+    ds = DesignSpaceDocument()
+    ds.addSourceDescriptor(font=object())
+    ds.addSourceDescriptor(font=object())
+
+    ds_copy = ds.deepcopyExceptFonts()
+
+    assert ds.tostring() == ds_copy.tostring()
+    assert ds.sources[0].font is ds_copy.sources[0].font
+    assert ds.sources[1].font is ds_copy.sources[1].font
+
+
+def test_Range_post_init():
+    # test min and max are sorted and default is clamped to either min/max
+    r = Range(minimum=2, maximum=-1, default=-2)
+    assert r.minimum == -1
+    assert r.maximum == 2
+    assert r.default == -1
diff --git a/Tests/designspaceLib/designspace_v5_test.py b/Tests/designspaceLib/designspace_v5_test.py
new file mode 100644
index 00000000..9e803340
--- /dev/null
+++ b/Tests/designspaceLib/designspace_v5_test.py
@@ -0,0 +1,888 @@
+import re
+import shutil
+from pathlib import Path
+
+import pytest
+from fontTools.designspaceLib import (
+    AxisDescriptor,
+    AxisLabelDescriptor,
+    DesignSpaceDocument,
+    DiscreteAxisDescriptor,
+    InstanceDescriptor,
+    LocationLabelDescriptor,
+    RangeAxisSubsetDescriptor,
+    SourceDescriptor,
+    ValueAxisSubsetDescriptor,
+    VariableFontDescriptor,
+    posix,
+)
+
+from .fixtures import datadir
+
+
+def assert_descriptors_equal(actual, expected):
+    assert len(actual) == len(expected)
+    for a, e in zip(actual, expected):
+        assert a.asdict() == e.asdict()
+
+
+def test_read_v5_document_simple(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5.designspace")
+
+    assert_descriptors_equal(
+        doc.axes,
+        [
+            AxisDescriptor(
+                tag="wght",
+                name="weight",
+                minimum=200,
+                maximum=1000,
+                default=200,
+                labelNames={"en": "Wéíght", "fa-IR": "قطر"},
+                map=[
+                    (200, 0),
+                    (300, 100),
+                    (400, 368),
+                    (600, 600),
+                    (700, 824),
+                    (900, 1000),
+                ],
+                axisOrdering=None,
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Extra Light",
+                        userMinimum=200,
+                        userValue=200,
+                        userMaximum=250,
+                        labelNames={"de": "Extraleicht", "fr": "Extra léger"},
+                    ),
+                    AxisLabelDescriptor(
+                        name="Light", userMinimum=250, userValue=300, userMaximum=350
+                    ),
+                    AxisLabelDescriptor(
+                        name="Regular",
+                        userMinimum=350,
+                        userValue=400,
+                        userMaximum=450,
+                        elidable=True,
+                    ),
+                    AxisLabelDescriptor(
+                        name="Semi Bold",
+                        userMinimum=450,
+                        userValue=600,
+                        userMaximum=650,
+                    ),
+                    AxisLabelDescriptor(
+                        name="Bold", userMinimum=650, userValue=700, userMaximum=850
+                    ),
+                    AxisLabelDescriptor(
+                        name="Black", userMinimum=850, userValue=900, userMaximum=900
+                    ),
+                ],
+            ),
+            AxisDescriptor(
+                tag="wdth",
+                name="width",
+                minimum=50,
+                maximum=150,
+                default=100,
+                hidden=True,
+                labelNames={"fr": "Chasse"},
+                map=[(50, 10), (100, 20), (125, 66), (150, 990)],
+                axisOrdering=1,
+                axisLabels=[
+                    AxisLabelDescriptor(name="Condensed", userValue=50),
+                    AxisLabelDescriptor(
+                        name="Normal", elidable=True, olderSibling=True, userValue=100
+                    ),
+                    AxisLabelDescriptor(name="Wide", userValue=125),
+                    AxisLabelDescriptor(
+                        name="Extra Wide", userValue=150, userMinimum=150
+                    ),
+                ],
+            ),
+            DiscreteAxisDescriptor(
+                tag="ital",
+                name="Italic",
+                values=[0, 1],
+                default=0,
+                axisOrdering=None,
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Roman", userValue=0, elidable=True, linkedUserValue=1
+                    ),
+                    AxisLabelDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.locationLabels,
+        [
+            LocationLabelDescriptor(
+                name="Some Style",
+                labelNames={"fr": "Un Style"},
+                userLocation={"weight": 300, "width": 50, "Italic": 0},
+            ),
+            LocationLabelDescriptor(
+                name="Other", userLocation={"weight": 700, "width": 100, "Italic": 1}
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.sources,
+        [
+            SourceDescriptor(
+                filename="masters/masterTest1.ufo",
+                path=posix(str((datadir / "masters/masterTest1.ufo").resolve())),
+                name="master.ufo1",
+                layerName=None,
+                location={"weight": 0.0, "width": 20.0},
+                copyLib=True,
+                copyInfo=True,
+                copyGroups=False,
+                copyFeatures=True,
+                muteKerning=False,
+                muteInfo=False,
+                mutedGlyphNames=["A", "Z"],
+                familyName="MasterFamilyName",
+                styleName="MasterStyleNameOne",
+                localisedFamilyName={"fr": "Montserrat", "ja": "モンセラート"},
+            ),
+            SourceDescriptor(
+                filename="masters/masterTest2.ufo",
+                path=posix(str((datadir / "masters/masterTest2.ufo").resolve())),
+                name="master.ufo2",
+                layerName=None,
+                location={"weight": 1000.0, "width": 20.0},
+                copyLib=False,
+                copyInfo=False,
+                copyGroups=False,
+                copyFeatures=False,
+                muteKerning=True,
+                muteInfo=False,
+                mutedGlyphNames=[],
+                familyName="MasterFamilyName",
+                styleName="MasterStyleNameTwo",
+                localisedFamilyName={},
+            ),
+            SourceDescriptor(
+                filename="masters/masterTest2.ufo",
+                path=posix(str((datadir / "masters/masterTest2.ufo").resolve())),
+                name="master.ufo2",
+                layerName="supports",
+                location={"weight": 1000.0, "width": 20.0},
+                copyLib=False,
+                copyInfo=False,
+                copyGroups=False,
+                copyFeatures=False,
+                muteKerning=False,
+                muteInfo=False,
+                mutedGlyphNames=[],
+                familyName="MasterFamilyName",
+                styleName="Supports",
+                localisedFamilyName={},
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.variableFonts,
+        [
+            VariableFontDescriptor(
+                name="Test_WghtWdth",
+                filename="Test_WghtWdth_different_from_name.ttf",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    RangeAxisSubsetDescriptor(name="Width"),
+                ],
+                lib={"com.vtt.source": "sources/vtt/Test_WghtWdth.vtt"},
+            ),
+            VariableFontDescriptor(
+                name="Test_Wght",
+                axisSubsets=[RangeAxisSubsetDescriptor(name="Weight")],
+                lib={"com.vtt.source": "sources/vtt/Test_Wght.vtt"},
+            ),
+            VariableFontDescriptor(
+                name="TestCd_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    ValueAxisSubsetDescriptor(name="Width", userValue=0),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="TestWd_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    ValueAxisSubsetDescriptor(name="Width", userValue=1000),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="TestItalic_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    ValueAxisSubsetDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="TestRB_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(
+                        name="Weight", userMinimum=400, userDefault=400, userMaximum=700
+                    ),
+                    ValueAxisSubsetDescriptor(name="Italic", userValue=0),
+                ],
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.instances,
+        [
+            InstanceDescriptor(
+                filename="instances/instanceTest1.ufo",
+                path=posix(str((datadir / "instances/instanceTest1.ufo").resolve())),
+                name="instance.ufo1",
+                designLocation={"weight": 500.0, "width": 20.0},
+                familyName="InstanceFamilyName",
+                styleName="InstanceStyleName",
+                postScriptFontName="InstancePostscriptName",
+                styleMapFamilyName="InstanceStyleMapFamilyName",
+                styleMapStyleName="InstanceStyleMapStyleName",
+                localisedFamilyName={"fr": "Montserrat", "ja": "モンセラート"},
+                localisedStyleName={"fr": "Demigras", "ja": "半ば"},
+                localisedStyleMapFamilyName={
+                    "de": "Montserrat Halbfett",
+                    "ja": "モンセラート SemiBold",
+                },
+                localisedStyleMapStyleName={"de": "Standard"},
+                glyphs={"arrow": {"mute": True, "unicodes": [291, 292, 293]}},
+                lib={
+                    "com.coolDesignspaceApp.binaryData": b"<binary gunk>",
+                    "com.coolDesignspaceApp.specimenText": "Hamburgerwhatever",
+                },
+            ),
+            InstanceDescriptor(
+                filename="instances/instanceTest2.ufo",
+                path=posix(str((datadir / "instances/instanceTest2.ufo").resolve())),
+                name="instance.ufo2",
+                designLocation={"weight": 500.0, "width": (400.0, 300.0)},
+                familyName="InstanceFamilyName",
+                styleName="InstanceStyleName",
+                postScriptFontName="InstancePostscriptName",
+                styleMapFamilyName="InstanceStyleMapFamilyName",
+                styleMapStyleName="InstanceStyleMapStyleName",
+                glyphs={
+                    "arrow": {
+                        "unicodes": [101, 201, 301],
+                        "note": "A note about this glyph",
+                        "instanceLocation": {"weight": 120.0, "width": 100.0},
+                        "masters": [
+                            {
+                                "font": "master.ufo1",
+                                "location": {"weight": 20.0, "width": 20.0},
+                                "glyphName": "BB",
+                            },
+                            {
+                                "font": "master.ufo2",
+                                "location": {"weight": 900.0, "width": 900.0},
+                                "glyphName": "CC",
+                            },
+                        ],
+                    },
+                    "arrow2": {},
+                },
+            ),
+            InstanceDescriptor(
+                locationLabel="asdf",
+            ),
+            InstanceDescriptor(
+                designLocation={"weight": 600.0, "width": (401.0, 420.0)},
+            ),
+            InstanceDescriptor(
+                designLocation={"weight": 10.0, "Italic": 0.0},
+                userLocation={"width": 100.0},
+            ),
+            InstanceDescriptor(
+                userLocation={"weight": 300.0, "width": 130.0, "Italic": 1.0},
+            ),
+        ],
+    )
+
+
+def test_read_v5_document_decovar(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5_decovar.designspace")
+
+    assert not doc.variableFonts
+
+    assert_descriptors_equal(
+        doc.axes,
+        [
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Inline", tag="BLDA"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Shearded", tag="TRMD"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Rounded Slab", tag="TRMC"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Stripes", tag="SKLD"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Worm Terminal", tag="TRML"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Inline Skeleton", tag="SKLA"
+            ),
+            AxisDescriptor(
+                default=0,
+                maximum=1000,
+                minimum=0,
+                name="Open Inline Terminal",
+                tag="TRMF",
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Inline Terminal", tag="TRMK"
+            ),
+            AxisDescriptor(default=0, maximum=1000, minimum=0, name="Worm", tag="BLDB"),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Weight", tag="WMX2"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Flared", tag="TRMB"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Rounded", tag="TRMA"
+            ),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Worm Skeleton", tag="SKLB"
+            ),
+            AxisDescriptor(default=0, maximum=1000, minimum=0, name="Slab", tag="TRMG"),
+            AxisDescriptor(
+                default=0, maximum=1000, minimum=0, name="Bifurcated", tag="TRME"
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.locationLabels,
+        [
+            LocationLabelDescriptor(name="Default", elidable=True, userLocation={}),
+            LocationLabelDescriptor(
+                name="Open", userLocation={"Inline": 1000}, labelNames={"de": "Offen"}
+            ),
+            LocationLabelDescriptor(name="Worm", userLocation={"Worm": 1000}),
+            LocationLabelDescriptor(
+                name="Checkered", userLocation={"Inline Skeleton": 1000}
+            ),
+            LocationLabelDescriptor(
+                name="Checkered Reverse", userLocation={"Inline Terminal": 1000}
+            ),
+            LocationLabelDescriptor(name="Striped", userLocation={"Stripes": 500}),
+            LocationLabelDescriptor(name="Rounded", userLocation={"Rounded": 1000}),
+            LocationLabelDescriptor(name="Flared", userLocation={"Flared": 1000}),
+            LocationLabelDescriptor(
+                name="Flared Open",
+                userLocation={"Inline Skeleton": 1000, "Flared": 1000},
+            ),
+            LocationLabelDescriptor(
+                name="Rounded Slab", userLocation={"Rounded Slab": 1000}
+            ),
+            LocationLabelDescriptor(name="Sheared", userLocation={"Shearded": 1000}),
+            LocationLabelDescriptor(
+                name="Bifurcated", userLocation={"Bifurcated": 1000}
+            ),
+            LocationLabelDescriptor(
+                name="Inline",
+                userLocation={"Inline Skeleton": 500, "Open Inline Terminal": 500},
+            ),
+            LocationLabelDescriptor(name="Slab", userLocation={"Slab": 1000}),
+            LocationLabelDescriptor(name="Contrast", userLocation={"Weight": 1000}),
+            LocationLabelDescriptor(
+                name="Fancy",
+                userLocation={"Inline Skeleton": 1000, "Flared": 1000, "Weight": 1000},
+            ),
+            LocationLabelDescriptor(
+                name="Mayhem",
+                userLocation={
+                    "Inline Skeleton": 1000,
+                    "Worm Skeleton": 1000,
+                    "Rounded": 500,
+                    "Flared": 500,
+                    "Rounded Slab": 750,
+                    "Bifurcated": 500,
+                    "Open Inline Terminal": 250,
+                    "Slab": 750,
+                    "Inline Terminal": 250,
+                    "Worm Terminal": 250,
+                    "Weight": 750,
+                    "Worm": 1000,
+                },
+            ),
+        ],
+    )
+
+    assert [i.locationLabel for i in doc.instances] == [
+        "Default",
+        "Open",
+        "Worm",
+        "Checkered",
+        "Checkered Reverse",
+        "Striped",
+        "Rounded",
+        "Flared",
+        "Flared Open",
+        "Rounded Slab",
+        "Sheared",
+        "Bifurcated",
+        "Inline",
+        "Slab",
+        "Contrast",
+        "Fancy",
+        "Mayhem",
+    ]
+
+
+def test_read_v5_document_discrete(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5_discrete.designspace")
+
+    assert not doc.locationLabels
+    assert not doc.variableFonts
+
+    assert_descriptors_equal(
+        doc.axes,
+        [
+            DiscreteAxisDescriptor(
+                default=400,
+                values=[400, 700, 900],
+                name="Weight",
+                tag="wght",
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Regular",
+                        userValue=400,
+                        elidable=True,
+                        linkedUserValue=700,
+                    ),
+                    AxisLabelDescriptor(name="Bold", userValue=700),
+                    AxisLabelDescriptor(name="Black", userValue=900),
+                ],
+            ),
+            DiscreteAxisDescriptor(
+                default=100,
+                values=[75, 100],
+                name="Width",
+                tag="wdth",
+                axisLabels=[
+                    AxisLabelDescriptor(name="Narrow", userValue=75),
+                    AxisLabelDescriptor(name="Normal", userValue=100, elidable=True),
+                ],
+            ),
+            DiscreteAxisDescriptor(
+                default=0,
+                values=[0, 1],
+                name="Italic",
+                tag="ital",
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Roman", userValue=0, elidable=True, linkedUserValue=1
+                    ),
+                    AxisLabelDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+        ],
+    )
+
+
+def test_read_v5_document_aktiv(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5_aktiv.designspace")
+
+    assert not doc.locationLabels
+
+    assert_descriptors_equal(
+        doc.axes,
+        [
+            AxisDescriptor(
+                tag="wght",
+                name="Weight",
+                minimum=100,
+                default=400,
+                maximum=900,
+                map=[
+                    (100, 22),
+                    (200, 38),
+                    (300, 57),
+                    (400, 84),
+                    (500, 98),
+                    (600, 115),
+                    (700, 133),
+                    (800, 158),
+                    (900, 185),
+                ],
+                axisOrdering=1,
+                axisLabels=[
+                    AxisLabelDescriptor(name="Hair", userValue=100),
+                    AxisLabelDescriptor(userValue=200, name="Thin"),
+                    AxisLabelDescriptor(userValue=300, name="Light"),
+                    AxisLabelDescriptor(
+                        userValue=400,
+                        name="Regular",
+                        elidable=True,
+                        linkedUserValue=700,
+                    ),
+                    AxisLabelDescriptor(userValue=500, name="Medium"),
+                    AxisLabelDescriptor(userValue=600, name="SemiBold"),
+                    AxisLabelDescriptor(userValue=700, name="Bold"),
+                    AxisLabelDescriptor(userValue=800, name="XBold"),
+                    AxisLabelDescriptor(userValue=900, name="Black"),
+                ],
+            ),
+            AxisDescriptor(
+                tag="wdth",
+                name="Width",
+                minimum=75,
+                default=100,
+                maximum=125,
+                axisOrdering=0,
+                axisLabels=[
+                    AxisLabelDescriptor(name="Cd", userValue=75),
+                    AxisLabelDescriptor(name="Normal", elidable=True, userValue=100),
+                    AxisLabelDescriptor(name="Ex", userValue=125),
+                ],
+            ),
+            AxisDescriptor(
+                tag="ital",
+                name="Italic",
+                minimum=0,
+                default=0,
+                maximum=1,
+                axisOrdering=2,
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Upright", userValue=0, elidable=True, linkedUserValue=1
+                    ),
+                    AxisLabelDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+        ],
+    )
+
+    assert_descriptors_equal(
+        doc.variableFonts,
+        [
+            VariableFontDescriptor(
+                name="AktivGroteskVF_WghtWdthItal",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    RangeAxisSubsetDescriptor(name="Width"),
+                    RangeAxisSubsetDescriptor(name="Italic"),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="AktivGroteskVF_WghtWdth",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    RangeAxisSubsetDescriptor(name="Width"),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="AktivGroteskVF_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="AktivGroteskVF_Italics_WghtWdth",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    RangeAxisSubsetDescriptor(name="Width"),
+                    ValueAxisSubsetDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+            VariableFontDescriptor(
+                name="AktivGroteskVF_Italics_Wght",
+                axisSubsets=[
+                    RangeAxisSubsetDescriptor(name="Weight"),
+                    ValueAxisSubsetDescriptor(name="Italic", userValue=1),
+                ],
+            ),
+        ],
+    )
+
+
+@pytest.fixture
+def map_doc():
+    """Generate a document with a few axes to test the mapping functions"""
+    doc = DesignSpaceDocument()
+    doc.addAxis(
+        AxisDescriptor(
+            tag="wght",
+            name="Weight",
+            minimum=100,
+            maximum=900,
+            default=100,
+            map=[(100, 10), (900, 90)],
+        )
+    )
+    doc.addAxis(
+        AxisDescriptor(
+            tag="wdth",
+            name="Width",
+            minimum=75,
+            maximum=200,
+            default=100,
+            map=[(75, 7500), (100, 10000), (200, 20000)],
+        )
+    )
+    doc.addAxis(
+        AxisDescriptor(tag="CUST", name="Custom", minimum=1, maximum=2, default=1.5)
+    )
+    doc.addLocationLabel(
+        LocationLabelDescriptor(
+            name="Wonky", userLocation={"Weight": 800, "Custom": 1.2}
+        )
+    )
+    return doc
+
+
+def test_doc_location_map_forward(map_doc: DesignSpaceDocument):
+    assert map_doc.map_forward({"Weight": 400, "Width": 150, "Custom": 2}) == {
+        "Weight": 40,
+        "Width": 15000,
+        "Custom": 2,
+    }, "The mappings should be used to compute the design locations"
+    assert map_doc.map_forward({"Weight": 400}) == {
+        "Weight": 40,
+        "Width": 10000,
+        "Custom": 1.5,
+    }, "Missing user locations should be assumed equal to the axis's default"
+
+
+def test_doc_location_map_backward(map_doc: DesignSpaceDocument):
+    assert map_doc.map_backward({"Weight": 40, "Width": 15000, "Custom": 2}) == {
+        "Weight": 400,
+        "Width": 150,
+        "Custom": 2,
+    }, "The mappings should be used to compute the user locations"
+    assert map_doc.map_backward({"Weight": 40}) == {
+        "Weight": 400,
+        "Width": 100,
+        "Custom": 1.5,
+    }, "Missing design locations should be assumed equal to the axis's default"
+    assert map_doc.map_backward(
+        {"Weight": (40, 50), "Width": (15000, 100000), "Custom": (2, 1.5)}
+    ) == {
+        "Weight": 400,
+        "Width": 150,
+        "Custom": 2,
+    }, "Only the xvalue of anisotropic locations is used"
+
+
+def test_instance_location_from_label(map_doc):
+    inst = InstanceDescriptor(locationLabel="Wonky")
+    assert inst.getFullUserLocation(map_doc) == {
+        "Weight": 800,
+        "Width": 100,
+        "Custom": 1.2,
+    }, "an instance with a locationLabel uses the user location from that label, empty values on the label use axis defaults"
+    assert inst.getFullDesignLocation(map_doc) == {
+        "Weight": 80,
+        "Width": 10000,
+        "Custom": 1.2,
+    }, "an instance with a locationLabel computes the design location from that label, empty values on the label use axis defaults"
+
+    inst = InstanceDescriptor(locationLabel="Wonky", userLocation={"Width": 200})
+    assert inst.getFullUserLocation(map_doc) == {
+        "Weight": 800,
+        "Width": 100,
+        "Custom": 1.2,
+    }, "an instance with a locationLabel uses the user location from that label, other location values are ignored"
+    assert inst.getFullDesignLocation(map_doc) == {
+        "Weight": 80,
+        "Width": 10000,
+        "Custom": 1.2,
+    }, "an instance with a locationLabel computes the design location from that label, other location values are ignored"
+
+
+def test_instance_location_no_data(map_doc):
+    inst = InstanceDescriptor()
+    assert inst.getFullUserLocation(map_doc) == {
+        "Weight": 100,
+        "Width": 100,
+        "Custom": 1.5,
+    }, "an instance without any location data has the default user location"
+    assert inst.getFullDesignLocation(map_doc) == {
+        "Weight": 10,
+        "Width": 10000,
+        "Custom": 1.5,
+    }, "an instance without any location data has the default design location"
+
+
+def test_instance_location_design_first(map_doc):
+    inst = InstanceDescriptor(
+        designLocation={"Weight": (60, 61), "Width": 11000, "Custom": 1.2},
+        userLocation={"Weight": 700, "Width": 180, "Custom": 1.4},
+    )
+    assert inst.getFullUserLocation(map_doc) == {
+        "Weight": 600,
+        "Width": 110,
+        "Custom": 1.2,
+    }, "when both design and user location data are provided, design wins"
+    assert inst.getFullDesignLocation(map_doc) == {
+        "Weight": (60, 61),
+        "Width": 11000,
+        "Custom": 1.2,
+    }, "when both design and user location data are provided, design wins (incl. anisotropy)"
+
+
+def test_instance_location_mix(map_doc):
+    inst = InstanceDescriptor(
+        designLocation={"Weight": (60, 61)},
+        userLocation={"Width": 180},
+    )
+    assert inst.getFullUserLocation(map_doc) == {
+        "Weight": 600,
+        "Width": 180,
+        "Custom": 1.5,
+    }, "instance location is a mix of design and user locations"
+    assert inst.getFullDesignLocation(map_doc) == {
+        "Weight": (60, 61),
+        "Width": 18000,
+        "Custom": 1.5,
+    }, "instance location is a mix of design and user location"
+
+
+@pytest.mark.parametrize(
+    "filename",
+    [
+        "test_v4_original.designspace",
+        "test_v5_original.designspace",
+        "test_v5_aktiv.designspace",
+        "test_v5_decovar.designspace",
+        "test_v5_discrete.designspace",
+        "test_v5_sourceserif.designspace",
+        "test_v5.designspace",
+    ],
+)
+def test_roundtrip(tmpdir, datadir, filename):
+    test_file = datadir / filename
+    output_path = tmpdir / filename
+    # Move the file to the tmpdir so that the filenames stay the same
+    # (they're relative to the file's path)
+    shutil.copy(test_file, output_path)
+    doc = DesignSpaceDocument.fromfile(output_path)
+    doc.write(output_path)
+    # The input XML has comments and empty lines for documentation purposes
+    xml = test_file.read_text(encoding="utf-8")
+    xml = re.sub(
+        r"<!-- ROUNDTRIP_TEST_REMOVE_ME_BEGIN -->(.|\n)*?<!-- ROUNDTRIP_TEST_REMOVE_ME_END -->",
+        "",
+        xml,
+    )
+    xml = re.sub(r"<!--(.|\n)*?-->", "", xml)
+    xml = re.sub(r"\s*\n+", "\n", xml)
+    assert output_path.read_text(encoding="utf-8") == xml
+
+
+def test_using_v5_features_upgrades_format(tmpdir, datadir):
+    test_file = datadir / "test_v4_original.designspace"
+    output_4_path = tmpdir / "test_v4.designspace"
+    output_5_path = tmpdir / "test_v5.designspace"
+    shutil.copy(test_file, output_4_path)
+    doc = DesignSpaceDocument.fromfile(output_4_path)
+    doc.write(output_4_path)
+    assert 'format="4.1"' in output_4_path.read_text(encoding="utf-8")
+    doc.addVariableFont(VariableFontDescriptor(name="TestVF"))
+    doc.write(output_5_path)
+    assert 'format="5.0"' in output_5_path.read_text(encoding="utf-8")
+
+
+def test_addAxisDescriptor_discrete():
+    ds = DesignSpaceDocument()
+
+    axis = ds.addAxisDescriptor(
+        name="Italic",
+        tag="ital",
+        values=[0, 1],
+        default=0,
+        hidden=True,
+        map=[(0, -12), (1, 0)],
+        axisOrdering=3,
+        axisLabels=[
+            AxisLabelDescriptor(
+                name="Roman",
+                userValue=0,
+                elidable=True,
+                olderSibling=True,
+                linkedUserValue=1,
+                labelNames={"fr": "Romain"},
+            )
+        ],
+    )
+
+    assert ds.axes[0] is axis
+    assert_descriptors_equal(
+        [axis],
+        [
+            DiscreteAxisDescriptor(
+                tag="ital",
+                name="Italic",
+                values=[0, 1],
+                default=0,
+                hidden=True,
+                map=[(0, -12), (1, 0)],
+                axisOrdering=3,
+                axisLabels=[
+                    AxisLabelDescriptor(
+                        name="Roman",
+                        userValue=0,
+                        elidable=True,
+                        olderSibling=True,
+                        linkedUserValue=1,
+                        labelNames={"fr": "Romain"},
+                    )
+                ],
+            )
+        ],
+    )
+
+
+def test_addLocationLabelDescriptor():
+    ds = DesignSpaceDocument()
+
+    label = ds.addLocationLabelDescriptor(
+        name="Somewhere",
+        userLocation={},
+        elidable=True,
+        olderSibling=True,
+        labelNames={"fr": "Quelque part"},
+    )
+
+    assert ds.locationLabels[0] is label
+    assert_descriptors_equal(
+        [label],
+        [
+            LocationLabelDescriptor(
+                name="Somewhere",
+                userLocation={},
+                elidable=True,
+                olderSibling=True,
+                labelNames={"fr": "Quelque part"},
+            )
+        ],
+    )
+
+
+def test_addVariableFontDescriptor():
+    ds = DesignSpaceDocument()
+
+    vf = ds.addVariableFontDescriptor(name="TestVF", filename="TestVF.ttf")
+
+    assert ds.variableFonts[0] is vf
+    assert_descriptors_equal(
+        [vf], [VariableFontDescriptor(name="TestVF", filename="TestVF.ttf")]
+    )
diff --git a/Tests/designspaceLib/fixtures.py b/Tests/designspaceLib/fixtures.py
new file mode 100644
index 00000000..66041bed
--- /dev/null
+++ b/Tests/designspaceLib/fixtures.py
@@ -0,0 +1,8 @@
+from pathlib import Path
+
+import pytest
+
+
+@pytest.fixture
+def datadir():
+    return Path(__file__).parent / "data"
diff --git a/Tests/designspaceLib/split_test.py b/Tests/designspaceLib/split_test.py
new file mode 100644
index 00000000..8708f704
--- /dev/null
+++ b/Tests/designspaceLib/split_test.py
@@ -0,0 +1,150 @@
+import shutil
+from pathlib import Path
+
+import pytest
+from fontTools.designspaceLib import DesignSpaceDocument
+from fontTools.designspaceLib.split import splitInterpolable, splitVariableFonts, convert5to4
+
+from .fixtures import datadir
+
+UPDATE_REFERENCE_OUT_FILES_INSTEAD_OF_TESTING = False
+
+
+@pytest.mark.parametrize(
+    "test_ds,expected_interpolable_spaces",
+    [
+        (
+            "test_v5_aktiv.designspace",
+            [
+                (
+                    {},
+                    {
+                        "AktivGroteskVF_Italics_Wght",
+                        "AktivGroteskVF_Italics_WghtWdth",
+                        "AktivGroteskVF_Wght",
+                        "AktivGroteskVF_WghtWdth",
+                        "AktivGroteskVF_WghtWdthItal",
+                    },
+                )
+            ],
+        ),
+        (
+            "test_v5_sourceserif.designspace",
+            [
+                (
+                    {"italic": 0},
+                    {"SourceSerif4Variable-Roman"},
+                ),
+                (
+                    {"italic": 1},
+                    {"SourceSerif4Variable-Italic"},
+                ),
+            ],
+        ),
+        (
+            "test_v5_MutatorSans_and_Serif.designspace",
+            [
+                (
+                    {"serif": 0},
+                    {
+                        "MutatorSansVariable_Weight_Width",
+                        "MutatorSansVariable_Weight",
+                        "MutatorSansVariable_Width",
+                    },
+                ),
+                (
+                    {"serif": 1},
+                    {
+                        "MutatorSerifVariable_Width",
+                    },
+                ),
+            ],
+        ),
+    ],
+)
+def test_split(datadir, tmpdir, test_ds, expected_interpolable_spaces):
+    data_in = datadir / test_ds
+    temp_in = Path(tmpdir) / test_ds
+    shutil.copy(data_in, temp_in)
+    doc = DesignSpaceDocument.fromfile(temp_in)
+
+    for i, (location, sub_doc) in enumerate(splitInterpolable(doc)):
+        expected_location, expected_vf_names = expected_interpolable_spaces[i]
+        assert location == expected_location
+        vfs = list(splitVariableFonts(sub_doc))
+        assert expected_vf_names == set(vf[0] for vf in vfs)
+
+        loc_str = "_".join(f"{name}_{value}"for name, value in sorted(location.items()))
+        data_out = datadir / "split_output" / f"{temp_in.stem}_{loc_str}.designspace"
+        temp_out = Path(tmpdir) / "out" / f"{temp_in.stem}_{loc_str}.designspace"
+        temp_out.parent.mkdir(exist_ok=True)
+        sub_doc.write(temp_out)
+
+        if UPDATE_REFERENCE_OUT_FILES_INSTEAD_OF_TESTING:
+            data_out.write_text(temp_out.read_text(encoding="utf-8"), encoding="utf-8")
+        else:
+            assert data_out.read_text(encoding="utf-8") == temp_out.read_text(
+                encoding="utf-8"
+            )
+
+        for vf_name, vf_doc in vfs:
+            data_out = (datadir / "split_output" / vf_name).with_suffix(".designspace")
+            temp_out = (Path(tmpdir) / "out" / vf_name).with_suffix(".designspace")
+            temp_out.parent.mkdir(exist_ok=True)
+            vf_doc.write(temp_out)
+
+            if UPDATE_REFERENCE_OUT_FILES_INSTEAD_OF_TESTING:
+                data_out.write_text(
+                    temp_out.read_text(encoding="utf-8"), encoding="utf-8"
+                )
+            else:
+                assert data_out.read_text(encoding="utf-8") == temp_out.read_text(
+                    encoding="utf-8"
+                )
+
+
+
+
+@pytest.mark.parametrize(
+    "test_ds,expected_vfs",
+    [
+        (
+            "test_v5_aktiv.designspace",
+            {
+                "AktivGroteskVF_Italics_Wght",
+                "AktivGroteskVF_Italics_WghtWdth",
+                "AktivGroteskVF_Wght",
+                "AktivGroteskVF_WghtWdth",
+                "AktivGroteskVF_WghtWdthItal",
+            },
+        ),
+        (
+            "test_v5_sourceserif.designspace",
+            {
+                "SourceSerif4Variable-Italic",
+                "SourceSerif4Variable-Roman",
+            },
+        ),
+    ],
+)
+def test_convert5to4(datadir, tmpdir, test_ds, expected_vfs):
+    data_in = datadir / test_ds
+    temp_in = tmpdir / test_ds
+    shutil.copy(data_in, temp_in)
+    doc = DesignSpaceDocument.fromfile(temp_in)
+
+    variable_fonts = convert5to4(doc)
+
+    assert variable_fonts.keys() == expected_vfs
+    for vf_name, vf in variable_fonts.items():
+        data_out = (datadir / "convert5to4_output" / vf_name).with_suffix(".designspace")
+        temp_out = (Path(tmpdir) / "out" / vf_name).with_suffix(".designspace")
+        temp_out.parent.mkdir(exist_ok=True)
+        vf.write(temp_out)
+
+        if UPDATE_REFERENCE_OUT_FILES_INSTEAD_OF_TESTING:
+            data_out.write_text(temp_out.read_text(encoding="utf-8"), encoding="utf-8")
+        else:
+            assert data_out.read_text(encoding="utf-8") == temp_out.read_text(
+                encoding="utf-8"
+            )
diff --git a/Tests/designspaceLib/statNames_test.py b/Tests/designspaceLib/statNames_test.py
new file mode 100644
index 00000000..076abc90
--- /dev/null
+++ b/Tests/designspaceLib/statNames_test.py
@@ -0,0 +1,61 @@
+from fontTools.designspaceLib import DesignSpaceDocument
+from fontTools.designspaceLib.statNames import StatNames, getStatNames
+
+from .fixtures import datadir
+
+
+def test_instance_getStatNames(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5_sourceserif.designspace")
+
+    assert getStatNames(doc, doc.instances[0].getFullUserLocation(doc)) == StatNames(
+        familyNames={"en": "Source Serif 4"},
+        styleNames={"en": "Caption ExtraLight"},
+        postScriptFontName="SourceSerif4-CaptionExtraLight",
+        styleMapFamilyNames={"en": "Source Serif 4 Caption ExtraLight"},
+        styleMapStyleName="regular",
+    )
+
+
+def test_not_all_ordering_specified_and_translations(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5.designspace")
+
+    assert getStatNames(doc, {"weight": 200, "width": 125, "Italic": 1}) == StatNames(
+        familyNames={
+            "en": "MasterFamilyName",
+            "fr": "Montserrat",
+            "ja": "モンセラート",
+        },
+        styleNames={
+            "fr": "Wide Extra léger Italic",
+            "de": "Wide Extraleicht Italic",
+            "en": "Wide Extra Light Italic",
+        },
+        postScriptFontName="MasterFamilyName-WideExtraLightItalic",
+        styleMapFamilyNames={
+            "en": "MasterFamilyName Wide Extra Light",
+            "fr": "Montserrat Wide Extra léger",
+            "de": "MasterFamilyName Wide Extraleicht",
+            "ja": "モンセラート Wide Extra Light",
+        },
+        styleMapStyleName="italic",
+    )
+
+
+def test_detect_ribbi_aktiv(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5_aktiv.designspace")
+
+    assert getStatNames(doc, {"Weight": 600, "Width": 125, "Italic": 1}) == StatNames(
+        familyNames={"en": "Aktiv Grotesk"},
+        styleNames={"en": "Ex SemiBold Italic"},
+        postScriptFontName="AktivGrotesk-ExSemiBoldItalic",
+        styleMapFamilyNames={"en": "Aktiv Grotesk Ex SemiBold"},
+        styleMapStyleName="italic",
+    )
+
+    assert getStatNames(doc, {"Weight": 700, "Width": 75, "Italic": 1}) == StatNames(
+        familyNames={"en": "Aktiv Grotesk"},
+        styleNames={"en": "Cd Bold Italic"},
+        postScriptFontName="AktivGrotesk-CdBoldItalic",
+        styleMapFamilyNames={"en": "Aktiv Grotesk Cd"},
+        styleMapStyleName="bold italic",
+    )
diff --git a/Tests/feaLib/data/spec6h_ii.ttx b/Tests/feaLib/data/spec6h_ii.ttx
index 2f0efc6f..e8ec85f2 100644
--- a/Tests/feaLib/data/spec6h_ii.ttx
+++ b/Tests/feaLib/data/spec6h_ii.ttx
@@ -112,23 +112,25 @@
         </MarkBasePos>
       </Lookup>
       <Lookup index="2">
-        <LookupType value="7"/>
+        <LookupType value="8"/>
         <LookupFlag value="0"/>
         <!-- SubTableCount=1 -->
-        <ContextPos index="0" Format="3">
-          <!-- GlyphCount=3 -->
-          <!-- PosCount=2 -->
-          <Coverage index="0">
+        <ChainContextPos index="0" Format="3">
+          <!-- BacktrackGlyphCount=0 -->
+          <!-- InputGlyphCount=3 -->
+          <InputCoverage index="0">
             <Glyph value="T"/>
-          </Coverage>
-          <Coverage index="1">
+          </InputCoverage>
+          <InputCoverage index="1">
             <Glyph value="c"/>
             <Glyph value="o"/>
-          </Coverage>
-          <Coverage index="2">
+          </InputCoverage>
+          <InputCoverage index="2">
             <Glyph value="grave"/>
             <Glyph value="acute"/>
-          </Coverage>
+          </InputCoverage>
+          <!-- LookAheadGlyphCount=0 -->
+          <!-- PosCount=2 -->
           <PosLookupRecord index="0">
             <SequenceIndex value="0"/>
             <LookupListIndex value="0"/>
@@ -137,7 +139,7 @@
             <SequenceIndex value="2"/>
             <LookupListIndex value="1"/>
           </PosLookupRecord>
-        </ContextPos>
+        </ChainContextPos>
       </Lookup>
     </LookupList>
   </GPOS>
diff --git a/Tests/feaLib/data/spec6h_iii_3d.ttx b/Tests/feaLib/data/spec6h_iii_3d.ttx
index 2335dd0b..a608f0e6 100644
--- a/Tests/feaLib/data/spec6h_iii_3d.ttx
+++ b/Tests/feaLib/data/spec6h_iii_3d.ttx
@@ -30,23 +30,25 @@
     <LookupList>
       <!-- LookupCount=2 -->
       <Lookup index="0">
-        <LookupType value="7"/>
+        <LookupType value="8"/>
         <LookupFlag value="0"/>
         <!-- SubTableCount=1 -->
-        <ContextPos index="0" Format="3">
-          <!-- GlyphCount=2 -->
-          <!-- PosCount=1 -->
-          <Coverage index="0">
+        <ChainContextPos index="0" Format="3">
+          <!-- BacktrackGlyphCount=0 -->
+          <!-- InputGlyphCount=2 -->
+          <InputCoverage index="0">
             <Glyph value="L"/>
-          </Coverage>
-          <Coverage index="1">
+          </InputCoverage>
+          <InputCoverage index="1">
             <Glyph value="quoteright"/>
-          </Coverage>
+          </InputCoverage>
+          <!-- LookAheadGlyphCount=0 -->
+          <!-- PosCount=1 -->
           <PosLookupRecord index="0">
             <SequenceIndex value="1"/>
             <LookupListIndex value="1"/>
           </PosLookupRecord>
-        </ContextPos>
+        </ChainContextPos>
       </Lookup>
       <Lookup index="1">
         <LookupType value="1"/>
diff --git a/Tests/fontBuilder/fontBuilder_test.py b/Tests/fontBuilder/fontBuilder_test.py
index 6368cb87..775e94d9 100644
--- a/Tests/fontBuilder/fontBuilder_test.py
+++ b/Tests/fontBuilder/fontBuilder_test.py
@@ -1,13 +1,13 @@
 
 import os
 import pytest
-import re
 from fontTools.ttLib import TTFont
 from fontTools.pens.ttGlyphPen import TTGlyphPen
 from fontTools.pens.t2CharStringPen import T2CharStringPen
 from fontTools.fontBuilder import FontBuilder
 from fontTools.ttLib.tables.TupleVariation import TupleVariation
 from fontTools.misc.psCharStrings import T2CharString
+from fontTools.misc.testTools import stripVariableItemsFromTTX
 
 
 def getTestData(fileName, mode="r"):
@@ -16,16 +16,6 @@ def getTestData(fileName, mode="r"):
         return f.read()
 
 
-def strip_VariableItems(string):
-    # ttlib changes with the fontTools version
-    string = re.sub(' ttLibVersion=".*"', '', string)
-    # head table checksum and creation and mod date changes with each save.
-    string = re.sub('<checkSumAdjustment value="[^"]+"/>', '', string)
-    string = re.sub('<modified value="[^"]+"/>', '', string)
-    string = re.sub('<created value="[^"]+"/>', '', string)
-    return string
-
-
 def drawTestGlyph(pen):
     pen.moveTo((100, 100))
     pen.lineTo((100, 1000))
@@ -91,8 +81,8 @@ def _verifyOutput(outPath, tables=None):
     f = TTFont(outPath)
     f.saveXML(outPath + ".ttx", tables=tables)
     with open(outPath + ".ttx") as f:
-        testData = strip_VariableItems(f.read())
-    refData = strip_VariableItems(getTestData(os.path.basename(outPath) + ".ttx"))
+        testData = stripVariableItemsFromTTX(f.read())
+    refData = stripVariableItemsFromTTX(getTestData(os.path.basename(outPath) + ".ttx"))
     assert refData == testData
 
 
diff --git a/Tests/merge/data/CFFFont_expected.ttx b/Tests/merge/data/CFFFont_expected.ttx
index 6e0acc22..c8870e44 100644
--- a/Tests/merge/data/CFFFont_expected.ttx
+++ b/Tests/merge/data/CFFFont_expected.ttx
@@ -834,7 +834,7 @@
     <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
          will be recalculated by the compiler -->
     <version value="4"/>
-    <xAvgCharWidth value="505"/>
+    <xAvgCharWidth value="501"/>
     <usWeightClass value="400"/>
     <usWidthClass value="5"/>
     <fsType value="00000000 00000000"/>
diff --git a/Tests/misc/configTools_test.py b/Tests/misc/configTools_test.py
new file mode 100644
index 00000000..94afb233
--- /dev/null
+++ b/Tests/misc/configTools_test.py
@@ -0,0 +1,80 @@
+import dataclasses
+import pytest
+
+from fontTools.misc.configTools import (
+    AbstractConfig,
+    Option,
+    Options,
+    ConfigUnknownOptionError,
+)
+
+
+def test_can_create_custom_config_system():
+    class MyConfig(AbstractConfig):
+        options = Options()
+
+    MyConfig.register_option(
+        "test:option_name",
+        "This is an option",
+        0,
+        int,
+        lambda v: isinstance(v, int),
+    )
+
+    cfg = MyConfig({"test:option_name": "10"}, parse_values=True)
+
+    assert 10 == cfg["test:option_name"]
+
+    # This config is independent from "the" fontTools config
+    with pytest.raises(ConfigUnknownOptionError):
+        MyConfig({"fontTools.otlLib.optimize.gpos:COMPRESSION_LEVEL": 4})
+
+    # Test the repr()
+    assert repr(cfg) == "MyConfig({'test:option_name': 10})"
+
+    # Test the skip_unknown param: just check that the following does not raise
+    MyConfig({"test:unknown": "whatever"}, skip_unknown=True)
+
+    # Test that it raises on unknown option
+    with pytest.raises(ConfigUnknownOptionError):
+        cfg.get("test:unknown")
+
+
+def test_options_are_unique():
+    class MyConfig(AbstractConfig):
+        options = Options()
+
+    opt1 = MyConfig.register_option("test:OPT_1", "", "foo", str, any)
+    cfg = MyConfig({opt1: "bar"})
+    assert cfg[opt1] == "bar"
+
+    opt2 = Option("test:OPT_1", "", "foo", str, any)
+
+    assert dataclasses.asdict(opt1) == dataclasses.asdict(opt2)
+    assert opt1 != opt2
+
+    with pytest.raises(ConfigUnknownOptionError):
+        cfg.get(opt2)
+    with pytest.raises(ConfigUnknownOptionError):
+        cfg.set(opt2, "bar")
+
+
+def test_optional_bool():
+    for v in ("yes", "YES", "Yes", "1", "True", "true", "TRUE"):
+        assert Option.parse_optional_bool(v) is True
+
+    for v in ("no", "NO", "No", "0", "False", "false", "FALSE"):
+        assert Option.parse_optional_bool(v) is False
+
+    for v in ("auto", "AUTO", "Auto", "None", "none", "NONE"):
+        assert Option.parse_optional_bool(v) is None
+
+    with pytest.raises(ValueError, match="invalid optional bool"):
+        Option.parse_optional_bool("foobar")
+
+    assert Option.validate_optional_bool(True)
+    assert Option.validate_optional_bool(False)
+    assert Option.validate_optional_bool(None)
+    assert not Option.validate_optional_bool(1)
+    assert not Option.validate_optional_bool(0)
+    assert not Option.validate_optional_bool("1")
diff --git a/Tests/misc/psCharStrings_test.py b/Tests/misc/psCharStrings_test.py
index 47ff4fda..5e36fe73 100644
--- a/Tests/misc/psCharStrings_test.py
+++ b/Tests/misc/psCharStrings_test.py
@@ -8,6 +8,7 @@ from fontTools.misc.psCharStrings import (
     read_fixed1616,
     read_realNumber,
 )
+from fontTools.pens.recordingPen import RecordingPen
 import unittest
 
 
@@ -158,6 +159,14 @@ class T2CharStringTest(unittest.TestCase):
                 self.assertNotIsInstance(expected_arg, str)
                 self.assertAlmostEqual(arg, expected_arg)
 
+    def test_pen_closePath(self):
+        # Test CFF2/T2 charstring: it does NOT end in "endchar"
+        # https://github.com/fonttools/fonttools/issues/2455
+        cs = self.stringToT2CharString("100 100 rmoveto -50 -150 200 0 -50 150 rrcurveto")
+        pen = RecordingPen()
+        cs.draw(pen)
+        self.assertEqual(pen.value[-1], ('closePath', ()))
+
 
 if __name__ == "__main__":
     import sys
diff --git a/Tests/otlLib/optimize_test.py b/Tests/otlLib/optimize_test.py
index 40cf389e..a2e43322 100644
--- a/Tests/otlLib/optimize_test.py
+++ b/Tests/otlLib/optimize_test.py
@@ -1,17 +1,15 @@
+import contextlib
 import logging
+import os
 from pathlib import Path
 from subprocess import run
-import contextlib
-import os
 from typing import List, Optional, Tuple
-from fontTools.ttLib import TTFont
 
 import pytest
-
 from fontTools.feaLib.builder import addOpenTypeFeaturesFromString
 from fontTools.fontBuilder import FontBuilder
-
-from fontTools.ttLib.tables.otBase import OTTableWriter, ValueRecord
+from fontTools.ttLib import TTFont
+from fontTools.ttLib.tables.otBase import OTTableWriter
 
 
 def test_main(tmpdir: Path):
@@ -34,7 +32,7 @@ def test_main(tmpdir: Path):
         [
             "fonttools",
             "otlLib.optimize",
-            "--gpos-compact-mode",
+            "--gpos-compression-level",
             "5",
             str(input),
             "-o",
@@ -127,9 +125,9 @@ def get_kerning_by_blocks(blocks: List[Tuple[int, int]]) -> Tuple[List[str], str
 
 
 @pytest.mark.parametrize(
-    ("blocks", "mode", "expected_subtables", "expected_bytes"),
+    ("blocks", "level", "expected_subtables", "expected_bytes"),
     [
-        # Mode = 0 = no optimization leads to 650 bytes of GPOS
+        # Level = 0 = no optimization leads to 650 bytes of GPOS
         ([(15, 3), (2, 10)], None, 1, 602),
         # Optimization level 1 recognizes the 2 blocks and splits into 2
         # subtables = adds 1 subtable leading to a size reduction of
@@ -143,13 +141,13 @@ def get_kerning_by_blocks(blocks: List[Tuple[int, int]]) -> Tuple[List[str], str
         ([(4, 4) for _ in range(20)], 9, 20, 1886),
         # On a fully occupied kerning matrix, even the strategy 9 doesn't
         # split anything.
-        ([(10, 10)], 9, 1, 304)
+        ([(10, 10)], 9, 1, 304),
     ],
 )
 def test_optimization_mode(
     caplog,
     blocks: List[Tuple[int, int]],
-    mode: Optional[int],
+    level: Optional[int],
     expected_subtables: int,
     expected_bytes: int,
 ):
@@ -161,15 +159,10 @@ def test_optimization_mode(
     glyphs, features = get_kerning_by_blocks(blocks)
     glyphs = [".notdef space"] + glyphs
 
-    env = {}
-    if mode is not None:
-        # NOTE: activating this optimization via the environment variable is
-        # experimental and may not be supported once an alternative mechanism
-        # is in place. See: https://github.com/fonttools/fonttools/issues/2349
-        env["FONTTOOLS_GPOS_COMPACT_MODE"] = str(mode)
-    with set_env(**env):
-        fb = FontBuilder(1000)
-        fb.setupGlyphOrder(glyphs)
-        addOpenTypeFeaturesFromString(fb.font, features)
-        assert expected_subtables == count_pairpos_subtables(fb.font)
-        assert expected_bytes == count_pairpos_bytes(fb.font)
+    fb = FontBuilder(1000)
+    if level is not None:
+        fb.font.cfg["fontTools.otlLib.optimize.gpos:COMPRESSION_LEVEL"] = level
+    fb.setupGlyphOrder(glyphs)
+    addOpenTypeFeaturesFromString(fb.font, features)
+    assert expected_subtables == count_pairpos_subtables(fb.font)
+    assert expected_bytes == count_pairpos_bytes(fb.font)
diff --git a/Tests/subset/data/expect_harfbuzz_repacker.ttx b/Tests/subset/data/expect_harfbuzz_repacker.ttx
new file mode 100644
index 00000000..aeebe7ba
--- /dev/null
+++ b/Tests/subset/data/expect_harfbuzz_repacker.ttx
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ttFont sfntVersion="OTTO" ttLibVersion="4.29">
+
+  <GSUB>
+    <Version value="0x00010000"/>
+    <ScriptList>
+      <!-- ScriptCount=2 -->
+      <ScriptRecord index="0">
+        <ScriptTag value="DFLT"/>
+        <Script>
+          <DefaultLangSys>
+            <ReqFeatureIndex value="65535"/>
+            <!-- FeatureCount=1 -->
+            <FeatureIndex index="0" value="0"/>
+          </DefaultLangSys>
+          <!-- LangSysCount=0 -->
+        </Script>
+      </ScriptRecord>
+      <ScriptRecord index="1">
+        <ScriptTag value="hang"/>
+        <Script>
+          <DefaultLangSys>
+            <ReqFeatureIndex value="65535"/>
+            <!-- FeatureCount=1 -->
+            <FeatureIndex index="0" value="1"/>
+          </DefaultLangSys>
+          <!-- LangSysCount=0 -->
+        </Script>
+      </ScriptRecord>
+    </ScriptList>
+    <FeatureList>
+      <!-- FeatureCount=2 -->
+      <FeatureRecord index="0">
+        <FeatureTag value="aalt"/>
+        <Feature>
+          <!-- LookupCount=1 -->
+          <LookupListIndex index="0" value="0"/>
+        </Feature>
+      </FeatureRecord>
+      <FeatureRecord index="1">
+        <FeatureTag value="jp90"/>
+        <Feature>
+          <!-- LookupCount=1 -->
+          <LookupListIndex index="0" value="1"/>
+        </Feature>
+      </FeatureRecord>
+    </FeatureList>
+    <LookupList>
+      <!-- LookupCount=2 -->
+      <Lookup index="0">
+        <LookupType value="3"/>
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <AlternateSubst index="0">
+          <AlternateSet glyph="cid12223">
+            <Alternate glyph="cid62031"/>
+            <Alternate glyph="cid62033"/>
+            <Alternate glyph="cid61789"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid61789">
+            <Alternate glyph="cid62031"/>
+            <Alternate glyph="cid62033"/>
+            <Alternate glyph="cid12223"/>
+          </AlternateSet>
+        </AlternateSubst>
+      </Lookup>
+      <Lookup index="1">
+        <LookupType value="1"/>
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <SingleSubst index="0">
+          <Substitution in="cid12223" out="cid61789"/>
+        </SingleSubst>
+      </Lookup>
+    </LookupList>
+  </GSUB>
+
+</ttFont>
diff --git a/Tests/subset/data/expect_lcar_0.ttx b/Tests/subset/data/expect_lcar_0.ttx
index feb866d7..0edcaa11 100644
--- a/Tests/subset/data/expect_lcar_0.ttx
+++ b/Tests/subset/data/expect_lcar_0.ttx
@@ -12,5 +12,5 @@
       </Carets>
     </LigatureCarets>
   </lcar>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/expect_lcar_1.ttx b/Tests/subset/data/expect_lcar_1.ttx
index 26b50082..72b4aabc 100644
--- a/Tests/subset/data/expect_lcar_1.ttx
+++ b/Tests/subset/data/expect_lcar_1.ttx
@@ -12,5 +12,5 @@
       </Carets>
     </LigatureCarets>
   </lcar>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/expect_opbd_0.ttx b/Tests/subset/data/expect_opbd_0.ttx
index 55842a01..3f6c4199 100644
--- a/Tests/subset/data/expect_opbd_0.ttx
+++ b/Tests/subset/data/expect_opbd_0.ttx
@@ -14,5 +14,5 @@
       </OpticalBoundsDeltas>
     </OpticalBounds>
   </opbd>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/expect_opbd_1.ttx b/Tests/subset/data/expect_opbd_1.ttx
index 080abd91..7b40401b 100644
--- a/Tests/subset/data/expect_opbd_1.ttx
+++ b/Tests/subset/data/expect_opbd_1.ttx
@@ -14,5 +14,5 @@
       </OpticalBoundsPoints>
     </OpticalBounds>
   </opbd>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/expect_prop_0.ttx b/Tests/subset/data/expect_prop_0.ttx
index f8ca1509..64201e12 100644
--- a/Tests/subset/data/expect_prop_0.ttx
+++ b/Tests/subset/data/expect_prop_0.ttx
@@ -7,5 +7,5 @@
       <DefaultProperties value="3"/>
     </GlyphProperties>
   </prop>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/expect_prop_1.ttx b/Tests/subset/data/expect_prop_1.ttx
index f7f2d23c..a582ac21 100644
--- a/Tests/subset/data/expect_prop_1.ttx
+++ b/Tests/subset/data/expect_prop_1.ttx
@@ -10,5 +10,5 @@
       </Properties>
     </GlyphProperties>
   </prop>
-  
+
 </ttFont>
diff --git a/Tests/subset/data/harfbuzz_repacker.ttx b/Tests/subset/data/harfbuzz_repacker.ttx
new file mode 100644
index 00000000..667d8687
--- /dev/null
+++ b/Tests/subset/data/harfbuzz_repacker.ttx
@@ -0,0 +1,1542 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ttFont sfntVersion="OTTO" ttLibVersion="4.29">
+
+  <GlyphOrder>
+    <!-- The 'id' attribute is only for humans; it is ignored when parsed. -->
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="cid12223"/>
+    <GlyphID id="2" name="cid12224"/>
+    <GlyphID id="3" name="cid12342"/>
+    <GlyphID id="4" name="cid15450"/>
+    <GlyphID id="5" name="cid15451"/>
+    <GlyphID id="6" name="cid15452"/>
+    <GlyphID id="7" name="cid18153"/>
+    <GlyphID id="8" name="cid18154"/>
+    <GlyphID id="9" name="cid18155"/>
+    <GlyphID id="10" name="cid59592"/>
+    <GlyphID id="11" name="cid59593"/>
+    <GlyphID id="12" name="cid61789"/>
+    <GlyphID id="13" name="cid61811"/>
+    <GlyphID id="14" name="cid62031"/>
+    <GlyphID id="15" name="cid62032"/>
+    <GlyphID id="16" name="cid62033"/>
+    <GlyphID id="17" name="cid62034"/>
+    <GlyphID id="18" name="cid62039"/>
+    <GlyphID id="19" name="cid62104"/>
+    <GlyphID id="20" name="cid62105"/>
+    <GlyphID id="21" name="cid62172"/>
+  </GlyphOrder>
+
+  <head>
+    <!-- Most of this table will be recalculated by the compiler -->
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.004"/>
+    <checkSumAdjustment value="0x96aa8849"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Mon Jun 15 05:06:56 2015"/>
+    <modified value="Sat Mar  5 04:13:07 2022"/>
+    <xMin value="30"/>
+    <yMin value="-82"/>
+    <xMax value="972"/>
+    <yMax value="838"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="3"/>
+    <fontDirectionHint value="2"/>
+    <indexToLocFormat value="0"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="0x00010000"/>
+    <ascent value="1160"/>
+    <descent value="-320"/>
+    <lineGap value="0"/>
+    <advanceWidthMax value="1000"/>
+    <minLeftSideBearing value="30"/>
+    <minRightSideBearing value="28"/>
+    <xMaxExtent value="972"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+    <numberOfHMetrics value="1"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x5000"/>
+    <numGlyphs value="22"/>
+  </maxp>
+
+  <OS_2>
+    <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+         will be recalculated by the compiler -->
+    <version value="3"/>
+    <xAvgCharWidth value="979"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00000000"/>
+    <ySubscriptXSize value="650"/>
+    <ySubscriptYSize value="600"/>
+    <ySubscriptXOffset value="0"/>
+    <ySubscriptYOffset value="75"/>
+    <ySuperscriptXSize value="650"/>
+    <ySuperscriptYSize value="600"/>
+    <ySuperscriptXOffset value="0"/>
+    <ySuperscriptYOffset value="350"/>
+    <yStrikeoutSize value="50"/>
+    <yStrikeoutPosition value="325"/>
+    <sFamilyClass value="0"/>
+    <panose>
+      <bFamilyType value="2"/>
+      <bSerifStyle value="11"/>
+      <bWeight value="5"/>
+      <bProportion value="0"/>
+      <bContrast value="0"/>
+      <bStrokeVariation value="0"/>
+      <bArmStyle value="0"/>
+      <bLetterForm value="0"/>
+      <bMidline value="0"/>
+      <bXHeight value="0"/>
+    </panose>
+    <ulUnicodeRange1 value="00000000 00000000 00000000 00000000"/>
+    <ulUnicodeRange2 value="00001000 00000000 00000000 00000000"/>
+    <ulUnicodeRange3 value="00000000 00000000 00000000 00000000"/>
+    <ulUnicodeRange4 value="00000000 00000000 00000000 00000000"/>
+    <achVendID value="GOOG"/>
+    <fsSelection value="00000000 01000000"/>
+    <usFirstCharIndex value="21417"/>
+    <usLastCharIndex value="24674"/>
+    <sTypoAscender value="880"/>
+    <sTypoDescender value="-120"/>
+    <sTypoLineGap value="0"/>
+    <usWinAscent value="1160"/>
+    <usWinDescent value="320"/>
+    <ulCodePageRange1 value="01100000 00101110 00000001 00000111"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="543"/>
+    <sCapHeight value="733"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContext value="6"/>
+  </OS_2>
+
+  <name>
+    <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+      Copyright © 2014, 2015 Adobe Systems Incorporated (http://www.adobe.com/).
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Noto Sans CJK JP Regular
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="3" platformID="3" platEncID="1" langID="0x409">
+      1.004;GOOG;NotoSansCJKjp-Regular;ADOBE
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Noto Sans CJK JP Regular
+    </namerecord>
+    <namerecord nameID="5" platformID="3" platEncID="1" langID="0x409">
+      Version 1.004;PS 1.004;hotconv 1.0.82;makeotf.lib2.5.63406
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      NotoSansCJKjp-Regular
+    </namerecord>
+  </name>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_4 platformID="0" platEncID="3" language="0">
+      <map code="0x53a9" name="cid12223"/><!-- CJK UNIFIED IDEOGRAPH-53A9 -->
+      <map code="0x53f1" name="cid12342"/><!-- CJK UNIFIED IDEOGRAPH-53F1 -->
+      <map code="0x5abe" name="cid15450"/><!-- CJK UNIFIED IDEOGRAPH-5ABE -->
+      <map code="0x6062" name="cid18153"/><!-- CJK UNIFIED IDEOGRAPH-6062 -->
+    </cmap_format_4>
+    <cmap_format_12 platformID="0" platEncID="4" format="12" reserved="0" length="64" language="0" nGroups="4">
+      <map code="0x53a9" name="cid12223"/><!-- CJK UNIFIED IDEOGRAPH-53A9 -->
+      <map code="0x53f1" name="cid12342"/><!-- CJK UNIFIED IDEOGRAPH-53F1 -->
+      <map code="0x5abe" name="cid15450"/><!-- CJK UNIFIED IDEOGRAPH-5ABE -->
+      <map code="0x6062" name="cid18153"/><!-- CJK UNIFIED IDEOGRAPH-6062 -->
+    </cmap_format_12>
+    <cmap_format_14 platformID="0" platEncID="5">
+      <map uv="0x53f1" uvs="0xe0100"/>
+      <map uv="0x5abe" uvs="0xe0100"/>
+      <map uv="0x53a9" uvs="0xe0100" name="cid61789"/>
+      <map uv="0x6062" uvs="0xe0100" name="cid61811"/>
+      <map uv="0x53a9" uvs="0xe0101" name="cid62031"/>
+      <map uv="0x53f1" uvs="0xe0101" name="cid62039"/>
+      <map uv="0x5abe" uvs="0xe0101" name="cid62104"/>
+      <map uv="0x6062" uvs="0xe0101" name="cid62172"/>
+      <map uv="0x6062" uvs="0xe0102"/>
+      <map uv="0x53a9" uvs="0xe0102" name="cid62032"/>
+      <map uv="0x5abe" uvs="0xe0102" name="cid62105"/>
+      <map uv="0x53a9" uvs="0xe0103" name="cid62033"/>
+      <map uv="0x53a9" uvs="0xe0104" name="cid62034"/>
+      <map uv="0x53a9" uvs="0xe0105"/>
+    </cmap_format_14>
+    <cmap_format_4 platformID="3" platEncID="1" language="0">
+      <map code="0x53a9" name="cid12223"/><!-- CJK UNIFIED IDEOGRAPH-53A9 -->
+      <map code="0x53f1" name="cid12342"/><!-- CJK UNIFIED IDEOGRAPH-53F1 -->
+      <map code="0x5abe" name="cid15450"/><!-- CJK UNIFIED IDEOGRAPH-5ABE -->
+      <map code="0x6062" name="cid18153"/><!-- CJK UNIFIED IDEOGRAPH-6062 -->
+    </cmap_format_4>
+    <cmap_format_12 platformID="3" platEncID="10" format="12" reserved="0" length="64" language="0" nGroups="4">
+      <map code="0x53a9" name="cid12223"/><!-- CJK UNIFIED IDEOGRAPH-53A9 -->
+      <map code="0x53f1" name="cid12342"/><!-- CJK UNIFIED IDEOGRAPH-53F1 -->
+      <map code="0x5abe" name="cid15450"/><!-- CJK UNIFIED IDEOGRAPH-5ABE -->
+      <map code="0x6062" name="cid18153"/><!-- CJK UNIFIED IDEOGRAPH-6062 -->
+    </cmap_format_12>
+  </cmap>
+
+  <post>
+    <formatType value="3.0"/>
+    <italicAngle value="0.0"/>
+    <underlinePosition value="-125"/>
+    <underlineThickness value="50"/>
+    <isFixedPitch value="0"/>
+    <minMemType42 value="0"/>
+    <maxMemType42 value="0"/>
+    <minMemType1 value="0"/>
+    <maxMemType1 value="0"/>
+  </post>
+
+  <CFF>
+    <major value="1"/>
+    <minor value="0"/>
+    <CFFFont name="NotoSansCJKjp-Regular">
+      <ROS Registry="Adobe" Order="Identity" Supplement="0"/>
+      <Notice value="Copyright 2014, 2015 Adobe Systems Incorporated (http://www.adobe.com/). Noto is a trademark of Google Inc."/>
+      <FullName value="Noto Sans CJK JP Regular"/>
+      <FamilyName value="Noto Sans CJK JP"/>
+      <Weight value="Regular"/>
+      <isFixedPitch value="0"/>
+      <ItalicAngle value="0"/>
+      <UnderlinePosition value="-150"/>
+      <UnderlineThickness value="50"/>
+      <PaintType value="0"/>
+      <CharstringType value="2"/>
+      <FontMatrix value="0.001 0 0 0.001 0 0"/>
+      <FontBBox value="30 -82 972 838"/>
+      <StrokeWidth value="0"/>
+      <XUID value="1 11 9274312"/>
+      <CIDFontVersion value="1.004"/>
+      <CIDFontRevision value="0"/>
+      <CIDFontType value="0"/>
+      <CIDCount value="65535"/>
+      <!-- charset is dumped separately as the 'GlyphOrder' element -->
+      <FDSelect format="3"/>
+      <FDArray>
+        <FontDict index="0">
+          <FontName value="NotoSansCJKjp-Regular-Generic"/>
+          <Private>
+            <BlueValues value="-250 -250 1100 1100"/>
+            <BlueScale value="0.039625"/>
+            <BlueShift value="7"/>
+            <BlueFuzz value="1"/>
+            <StdHW value="40"/>
+            <StdVW value="40"/>
+            <StemSnapH value="40 120"/>
+            <StemSnapV value="40 120"/>
+            <ForceBold value="0"/>
+            <LanguageGroup value="1"/>
+            <ExpansionFactor value="0.06"/>
+            <initialRandomSeed value="0"/>
+            <defaultWidthX value="1000"/>
+            <nominalWidthX value="107"/>
+          </Private>
+        </FontDict>
+        <FontDict index="1">
+          <FontName value="NotoSansCJKjp-Regular-Ideographs"/>
+          <Private>
+            <BlueValues value="-250 -250 1100 1100"/>
+            <BlueScale value="0.039625"/>
+            <BlueShift value="7"/>
+            <BlueFuzz value="1"/>
+            <StdHW value="58"/>
+            <StdVW value="63"/>
+            <StemSnapH value="58 65 84"/>
+            <StemSnapV value="63 73 89"/>
+            <ForceBold value="0"/>
+            <LanguageGroup value="1"/>
+            <ExpansionFactor value="0.06"/>
+            <initialRandomSeed value="0"/>
+            <defaultWidthX value="1000"/>
+            <nominalWidthX value="0"/>
+            <Subrs>
+              <!-- The 'index' attribute is only for humans; it is ignored when parsed. -->
+              <CharString index="0">
+                -351 rmoveto
+                -8 48 -27 80 -31 60 -101 callsubr
+                return
+              </CharString>
+              <CharString index="1">
+                68 16 113 -95 callsubr
+                return
+              </CharString>
+              <CharString index="2">
+                77 -94 callsubr
+                return
+              </CharString>
+              <CharString index="3">
+                7 -100 callsubr
+                return
+              </CharString>
+              <CharString index="4">
+                hlineto
+                14 70 12 68 11 61 -68 6 rcurveline
+                -10 -62 -12 -71 -14 -72 rrcurveto
+                -97 -67 84 -85 callsubr
+                return
+              </CharString>
+              <CharString index="5">
+                -59.5 return
+              </CharString>
+              <CharString index="6">
+                -46 -17 rcurveline
+                28 -62 26 -81 8 -50 rrcurveto
+                return
+              </CharString>
+              <CharString index="7">
+                -92 callsubr
+                -34 return
+              </CharString>
+              <CharString index="8">
+                -103 callsubr
+                11 44 30 return
+              </CharString>
+              <CharString index="9">
+                -96 callsubr
+                141 -71 callsubr
+                return
+              </CharString>
+              <CharString index="10">
+                -98 callsubr
+                190 -107 callsubr
+                return
+              </CharString>
+              <CharString index="11">
+                -106 callsubr
+                -60 rlinecurve
+                return
+              </CharString>
+              <CharString index="12">
+                90 vvcurveto
+                -50 -104 callsubr
+                return
+              </CharString>
+              <CharString index="13">
+                -89 callsubr
+                87 return
+              </CharString>
+              <CharString index="14">
+                hlineto
+                hintmask 011000000010101000000000
+                -62 181 vlineto
+                -31 -154 -66 -109 -129 -72 22 17 10 33 4 65 -18 5 -26 9 -14 11 rrcurveto
+                -80 -4 -4 -12 -27 hhcurveto
+                -113 hlineto
+                -33 -5 4 24 hvcurveto
+                87 vlineto
+                80 19 87 29 62 32 -54 46 rcurveline
+                -41 -26 -68 -26 -66 -20 rrcurveto
+                98 -65 -240 vlineto
+                -68 19 -19 77 vhcurveto
+                -96 callgsubr
+                18 15 2 7 11 hvcurveto
+                14 -11 27 -24 10 -12 87 54 60 66 41 85 rrcurveto
+                hintmask 100000000000001010000000
+                -92 vlineto
+                -55 5 -16 15 -12 vhcurveto
+                -12 13 23 -4 18 hhcurveto
+                53 hlineto
+                18 21 3 6 11 hvcurveto
+                14 7 9 13 5 18 5 17 3 52 1 44 -16 5 -20 10 -12 11 rrcurveto
+                -48 -2 -37 -2 -16 vhcurveto
+                -3 -15 -4 -9 -5 -3 rrcurveto
+                -3 -5 -12 -2 -9 hhcurveto
+                endchar
+              </CharString>
+              <CharString index="15">
+                -2 -87 -16 -108 return
+              </CharString>
+              <CharString index="16">
+                -86 callsubr
+                -23 31 -26 29 -76 callsubr
+                72 45 58 63 45 86 37 -37 32 -36 22 -31 45 60 rcurveline
+                return
+              </CharString>
+              <CharString index="17">
+                16 -78 callsubr
+                return
+              </CharString>
+              <CharString index="18">
+                vlineto
+                -220 vmoveto
+                return
+              </CharString>
+              <CharString index="19">
+                70 912 -70 return
+              </CharString>
+              <CharString index="20">
+                135 62 187 36 230 rrcurveto
+                318 -129 rmoveto
+                -16 -85 -28 -89 -34 -60 15 -5 27 -13 11 -9 34 63 31 95 19 90 rrcurveto
+                -337 5 rmoveto
+                -12 -84 -21 -85 -36 -58 15 -7 24 -15 10 -9 36 62 26 93 15 93 rrcurveto
+                58 112 rmoveto
+                -13 -323 -42 -198 -222 -79 14 -15 19 -26 9 -20 128 51 72 83 42 122 42 -113 66 -88 92 -48 11 18 20 25 16 13 -112 49 -72 112 -36 137 17 84 8 99 4 114 rrcurveto
+                endchar
+              </CharString>
+              <CharString index="21">
+                -100 callgsubr
+                -120 -99 callsubr
+                return
+              </CharString>
+              <CharString index="22">
+                hlineto
+                -24 -124 -27 -121 -22 -85 59 -35 rcurveline
+                return
+              </CharString>
+              <CharString index="23">
+                189 721 rmoveto
+                755 68 -825 -294 hlineto
+                -156 -7 -220 -76 -157 vhcurveto
+                18 -7 31 -18 14 -11 rrcurveto
+                79 164 11 241 164 vvcurveto
+                return
+              </CharString>
+              <CharString index="24">
+                104 54 73 69 50 91 rrcurveto
+                -117 vlineto
+                -45 4 -14 16 -13 vhcurveto
+                -13 14 23 -3 22 hhcurveto
+                55 hlineto
+                18 22 3 7 12 hvcurveto
+                15 8 10 12 6 18 6 17 3 50 1 45 -17 6 -24 13 -12 12 1 -46 -2 -40 -2 -15 -3 -11 -6 -7 -5 -4 rrcurveto
+                -3 -6 -12 -1 -10 hhcurveto
+                endchar
+              </CharString>
+              <CharString index="25">
+                284 -154 rmoveto
+                -70 -166 70 vlineto
+                -193 vmoveto
+                71 166 -71 vlineto
+                70 -316 rmoveto
+                56 -236 75 230 54 -230 75 227 305 -140 vlineto
+                10 22 11 26 11 24 -69 16 rcurveline
+                -5 -25 -10 -35 -10 -28 rrcurveto
+                -89 -678 64 -92 callgsubr
+                return
+              </CharString>
+              <CharString index="26">
+                rmoveto
+                69 913 -69 hlineto
+                return
+              </CharString>
+              <CharString index="27">
+                61 -31 69 75 53 cntrmask 0110111011111000
+                cntrmask 1001000110100101
+                hintmask 1110110111111101
+                949 715 rmoveto
+                68 -827 -281 vlineto
+                -154 -7 -218 -77 -155 vhcurveto
+                18 -7 30 -18 14 -11 rrcurveto
+                81 163 10 238 162 vvcurveto
+                213 vlineto
+                return
+              </CharString>
+              <CharString index="28">
+                6 -99 callgsubr
+                return
+              </CharString>
+              <CharString index="29">
+                -15 19 -26 10 -18 return
+              </CharString>
+              <CharString index="30">
+                -164 68 164 345 -85 hlineto
+                -13 -69 callsubr
+                9 -18 9 -25 3 -18 -49 callsubr
+                26 -107 callgsubr
+                85 56 vlineto
+                endchar
+              </CharString>
+              <CharString index="31">
+                -27 rlinecurve
+                -43 -85 -56 -59 callsubr
+                return
+              </CharString>
+              <CharString index="32">
+                rmoveto
+                -88 callsubr
+                hlineto
+                return
+              </CharString>
+              <CharString index="33">
+                -14 -1 vhcurveto
+                -13 -1 -48 0 return
+              </CharString>
+              <CharString index="34">
+                -147 69 114 55 -114 60 134 57 -134 82 -68 -82 -154 82 -67 -82 -129 -57 129 -60 -105 -55 105 -69 -144 -56 250 -57 hlineto
+                return
+              </CharString>
+              <CharString index="35">
+                -55 9 -4 -83 -18 -109 -27 -64 rlinecurve
+                126 -467 -81 callsubr
+                193 -350 rmoveto
+                -8 48 -27 79 -29 62 -53 -20 rcurveline
+                28 -63 return
+              </CharString>
+              <CharString index="36">
+                -465 -75 callsubr
+                return
+              </CharString>
+              <CharString index="37">
+                hstemhm
+                83 50 39 70 return
+              </CharString>
+              <CharString index="38">
+                -60 callsubr
+                -52 2 return
+              </CharString>
+              <CharString index="39">
+                -61.5 return
+              </CharString>
+              <CharString index="40">
+                -38 -90 callsubr
+                return
+              </CharString>
+              <CharString index="41">
+                68 -102 callsubr
+                return
+              </CharString>
+              <CharString index="42">
+                hstem
+                83 50 39 70 return
+              </CharString>
+              <CharString index="43">
+                232 -58 callsubr
+                762 return
+              </CharString>
+              <CharString index="44">
+                -134 hlineto
+                134 return
+              </CharString>
+              <CharString index="45">
+                rrcurveto
+                hintmask 101000000000001000000000
+                85 -380 rmoveto
+                -9 -7 2 4 -4 hvcurveto
+                -5 3 -1 11 19 vvcurveto
+                275 -6 4 return
+              </CharString>
+              <CharString index="46">
+                10 18 20 25 16 return
+              </CharString>
+              <CharString index="47">
+                -4 -54 callsubr
+                return
+              </CharString>
+              <CharString index="48">
+                -62 -67 -67 callsubr
+                return
+              </CharString>
+              <CharString index="49">
+                -57 callsubr
+                -50 callsubr
+                return
+              </CharString>
+              <CharString index="50">
+                -53 callsubr
+                -90 -34 29 -35 28 return
+              </CharString>
+              <CharString index="51">
+                rmoveto
+                -11 -131 -23 -110 return
+              </CharString>
+              <CharString index="52">
+                -124 hlineto
+                124 return
+              </CharString>
+              <CharString index="53">
+                -3 -74 callsubr
+                return
+              </CharString>
+              <CharString index="54">
+                -56 callsubr
+                -33 return
+              </CharString>
+              <CharString index="55">
+                -40 -79 callsubr
+                return
+              </CharString>
+              <CharString index="56">
+                120 -69 -120 return
+              </CharString>
+              <CharString index="57">
+                -34 25 18 76 18 87 18 86 rrcurveto
+                return
+              </CharString>
+              <CharString index="58">
+                rrcurveto
+                72 45 0 11 28 hvcurveto
+                return
+              </CharString>
+              <CharString index="59">
+                hvcurveto
+                25 11 7 19 36 vvcurveto
+                return
+              </CharString>
+              <CharString index="60">
+                -7 31 -18 13 -11 rrcurveto
+                return
+              </CharString>
+              <CharString index="61">
+                -14 19 -25 9 -17 return
+              </CharString>
+            </Subrs>
+          </Private>
+        </FontDict>
+      </FDArray>
+      <CharStrings>
+        <CharString name=".notdef" fdSelectIndex="0">
+          endchar
+        </CharString>
+        <CharString name="cid12223" fdSelectIndex="1">
+          -67 64 55 56 75 54 74 61 -60 56 71 52 70 56 -46 61 83 68 hstemhm
+          122 69 54 64 166 61 61 61 80 -80 callsubr
+          hintmask 0110111000110000
+          -82 callsubr
+          hintmask 0001000100001010
+          349 320 rmoveto
+          199 -95 callgsubr
+          -4 -73 -6 -66 -11 -60 rrcurveto
+          hintmask 1001000000000100
+          82 -375 rmoveto
+          -10 -7 1 4 -5 hvcurveto
+          -6 3 -2 6 8 vvcurveto
+          281 vlineto
+          3 11 rlineto
+          144 61 hlineto
+          hintmask 0001000100001010
+          -86 callgsubr
+          11 60 7 66 5 73 rrcurveto
+          99 61 -339 -260 -40 -61 177 hlineto
+          -41 -161 -80 -107 -154 -69 16 -12 27 -27 9 -11 rrcurveto
+          hintmask 1000000000001101
+          -83 callsubr
+        </CharString>
+        <CharString name="cid12224" fdSelectIndex="1">
+          -58 57 292 65 -54 59 88 56 75 61 80 68 hstemhm
+          119 71 55 66 155 64 86 63 58 68 -43 66 81 53 cntrmask 1100111100101000
+          cntrmask 0011100110000000
+          hintmask 1011111111101000
+          946 721 rmoveto
+          68 -827 -333 vlineto
+          -149 -6 -202 -73 -143 vhcurveto
+          18 -7 32 -18 13 -13 rrcurveto
+          76 151 11 225 156 vvcurveto
+          265 vlineto
+          276 -139 rmoveto
+          -77 -155 77 vlineto
+          -221 vmoveto
+          88 155 -88 vlineto
+          79 -307 rmoveto
+          -16 54 -46 86 -43 64 -53 -21 rcurveline
+          17 -28 18 -31 16 -30 -127 -47 rcurveline
+          201 219 340 -285 -514 vlineto
+          -41 -22 -22 -16 -9 vhcurveto
+          12 -15 16 -28 6 -18 rrcurveto
+          -1 vlineto
+          17 15 27 13 178 71 11 -24 9 -21 5 -19 rrcurveto
+          343 -30 rmoveto
+          -8 -7 1 4 -5 hvcurveto
+          -5 3 -1 10 18 vvcurveto
+          hintmask 1101111111101000
+          220 -34 vlineto
+          3 12 4 12 4 12 rrcurveto
+          154 65 hlineto
+          hintmask 1101111111011000
+          -139 hlineto
+          17 77 9 77 5 70 rrcurveto
+          104 61 -341 -61 -83 callgsubr
+          -5 -68 -8 -79 -18 -77 rrcurveto
+          -91 hlineto
+          14 58 16 85 9 39 rrcurveto
+          -63 hlineto
+          -7 -39 -22 -117 -9 -18 -6 -16 -8 -5 -12 -5 7 -13 15 -30 5 -16 rrcurveto
+          -1 vlineto
+          8 8 29 5 37 hhcurveto
+          60 hlineto
+          -38 -122 -70 -115 -131 -72 17 -12 20 -21 10 -15 rrcurveto
+          hintmask 1011111111101000
+          104 59 67 84 45 94 rrcurveto
+          -130 vlineto
+          -55 6 -16 15 -11 vhcurveto
+          -12 14 24 -5 20 hhcurveto
+          55 hlineto
+          16 23 3 6 12 hvcurveto
+          14 7 9 11 6 17 6 17 3 47 2 41 -18 6 -22 10 -13 11 rrcurveto
+          -43 -1 -33 -4 -16 vhcurveto
+          -2 -12 -4 -8 -6 -3 rrcurveto
+          -3 -5 -10 -1 -10 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid12342" fdSelectIndex="1">
+          -59 73 170 70 411 69 hstem
+          77 72 144 73 189 76 255 72 cntrmask 01111100
+          293 665 rmoveto
+          -411 -144 411 vlineto
+          217 69 rmoveto
+          -289 -646 72 96 217 hlineto
+          316 -170 rmoveto
+          -43 -8 10 50 hvcurveto
+          287 vlineto
+          112 75 108 90 83 96 -72 49 rcurveline
+          -61 -77 -82 -75 -88 -65 rrcurveto
+          361 -76 -414 vlineto
+          -60 -39 -60 -35 -58 -27 17 -15 24 -26 12 -16 41 20 42 23 42 26 rrcurveto
+          -236 vlineto
+          -105 27 -30 91 vhcurveto
+          -97 callgsubr
+          93 20 60 167 10 hvcurveto
+          -22 5 -30 14 -20 16 rrcurveto
+          -150 -5 -7 -39 -43 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid15450" fdSelectIndex="1">
+          -75 62 102 61 74 52 71 54 60 55 48 67 -45 53 64 55 hstemhm
+          311 71 57 68 17 66 41 69 44 67 19 69 cntrmask 1111101101010100
+          cntrmask 0000000000101000
+          hintmask 1111101101010100
+          700 150 rmoveto
+          74 130 -74 vlineto
+          -323 74 rmoveto
+          124 -74 -55 callsubr
+          197 rmoveto
+          -71 -124 71 vlineto
+          323 hmoveto
+          -71 -130 71 vlineto
+          hintmask 0000010010000000
+          -389 217 -58 callsubr
+          hintmask 0000101100101000
+          395 22 rmoveto
+          154 -70 -154 hlineto
+          187 vmoveto
+          154 -64 -154 hlineto
+          hintmask 0101100000010100
+          367 -489 rmoveto
+          -58 251 -199 60 252 55 hlineto
+          hintmask 0001101100111000
+          -141 70 103 53 -103 64 122 55 -122 78 -67 -78 -154 78 -66 -78 -125 -55 125 -64 -98 -53 98 -70 -138 -55 245 -60 hlineto
+          hintmask 1101010011000100
+          -192 -251 -65 -40 hlineto
+          -21 24 -26 25 -28 25 45 113 27 145 11 185 -43 6 rcurveline
+          -91 callsubr
+          -4 5 -4 6 -5 5 rrcurveto
+          47 -164 68 164 323 -87 hlineto
+          -11 -4 -3 -11 -1 vhcurveto
+          -13 -1 -40 0 -46 1 8 -17 11 -27 3 -18 rrcurveto
+          62 41 0 11 26 -48 callsubr
+          87 58 vlineto
+          endchar
+        </CharString>
+        <CharString name="cid15451" fdSelectIndex="1">
+          -76 61 101 59 74 52 72 56 57 56 51 68 -50 55 60 57 hstemhm
+          160 67 55 69 66 68 28 67 39 66 49 68 28 69 cntrmask 1111101100101010
+          cntrmask 0000000000010100
+          hintmask 1111101100101010
+          685 145 rmoveto
+          74 145 -74 vlineto
+          -345 74 rmoveto
+          134 -74 -63 callsubr
+          198 rmoveto
+          -72 -134 72 vlineto
+          345 hmoveto
+          -72 -145 72 vlineto
+          hintmask 0000010001000000
+          -403 220 rmoveto
+          -10 -120 -18 -101 -29 -86 -29 24 -31 22 -29 21 17 69 18 84 16 87 rrcurveto
+          hintmask 0000101100010100
+          393 18 rmoveto
+          154 -69 -154 hlineto
+          184 vmoveto
+          154 -60 -154 hlineto
+          hintmask 0101100000001010
+          375 -491 rmoveto
+          -56 254 -214 57 264 56 hlineto
+          hintmask 0001101100011100
+          -73 callsubr
+          hintmask 1101010011100010
+          -202 -254 -51 -17 hlineto
+          -24 27 -29 28 -34 29 39 107 24 137 9 171 -52 callsubr
+          -100 hlineto
+          12 68 10 67 6 61 -67 3 rcurveline
+          -6 -61 -9 -68 -11 -70 rrcurveto
+          -90 -68 78 hlineto
+          -19 -102 -22 -98 -21 -71 45 -31 48 -38 44 -38 -42 -93 -56 -66 -69 -40 14 -46 callsubr
+          73 48 60 67 44 93 38 -36 31 -36 22 -30 47 50 rcurveline
+          30 -77 callsubr
+        </CharString>
+        <CharString name="cid15452" fdSelectIndex="1">
+          -76 61 101 59 74 52 72 56 57 56 -103 callgsubr
+          70 -68 callsubr
+          -66 callsubr
+          66 -102 callgsubr
+          55 60 57 hstemhm
+          43 139 -45 68 57 66 41 17 31 68 28 67 39 66 49 68 28 69 cntrmask 111110001100110101000000
+          cntrmask 000000000000001010100000
+          hintmask 000000100000100000000000
+          262 556 rmoveto
+          -1 -96 -8 -114 -39 -111 -27 25 -29 25 -27 24 14 70 15 84 14 87 rrcurveto
+          -105 callgsubr
+          211 13 rmoveto
+          hintmask 000000001000110000000000
+          1 66 -58 -3 rlineto
+          hintmask 000000100010100000000000
+          69 -66 -72 vlineto
+          -80 -4 rlineto
+          -106 callgsubr
+          10 74 8 72 5 65 -68 3 rcurveline
+          -4 -66 -8 -76 -10 -75 rrcurveto
+          hintmask 000001000010100000000000
+          -76 -3 8 -70 60 3 -15 -97 -17 -93 -16 -68 rlinecurve
+          41 -35 45 -42 41 -42 -32 -70 -47 -68 -68 -61 17 -10 24 -22 11 -15 65 59 47 66 34 68 29 -32 26 -29 17 -24 44 55 rcurveline
+          -20 28 -31 33 -35 35 rrcurveto
+          hintmask 011100010000101010100000
+          51 132 9 135 1 111 rrcurveto
+          357 -415 rmoveto
+          74 145 -74 vlineto
+          -345 74 rmoveto
+          134 -74 -63 callsubr
+          198 rmoveto
+          -72 -134 72 vlineto
+          345 hmoveto
+          -72 -145 72 vlineto
+          hintmask 000010001100000101000000
+          -105 238 rmoveto
+          154 -69 -154 hlineto
+          184 vmoveto
+          154 -60 -154 hlineto
+          hintmask 010110000000000010100000
+          375 -491 rmoveto
+          -56 254 -214 57 264 56 hlineto
+          hintmask 000110001100010111000000
+          -73 callsubr
+          hintmask 110100000000001000100000
+          -202 -254 -51 -59 51 -77 callsubr
+        </CharString>
+        <CharString name="cid18153" fdSelectIndex="1">
+          656 68 -65 callsubr
+          161 66 60 55 87 68 cntrmask 01110100
+          81 367 rmoveto
+          36 -97 callsubr
+          157 192 rmoveto
+          486 68 -486 112 -66 -112 -82 -68 82 -109 hlineto
+          -191 -12 -213 -118 -175 vhcurveto
+          17 -9 26 -21 13 -13 rrcurveto
+          127 187 13 228 208 vvcurveto
+          382 -272 rmoveto
+          32 56 37 93 31 77 -65 16 rcurveline
+          -19 -69 -39 -99 -30 -60 rrcurveto
+          -274 -33 rmoveto
+          40 57 12 94 8 84 -55 13 rcurveline
+          -5 -81 -15 -88 -34 -51 rrcurveto
+          264 344 rmoveto
+          -68 -259 hlineto
+          -71 -36 -210 -209 -108 vhcurveto
+          13 -15 19 -28 9 -15 165 88 61 159 12 71 12 -70 55 -164 154 -84 10 17 20 29 12 15 rrcurveto
+          -195 105 -34 212 69 vvcurveto
+          endchar
+        </CharString>
+        <CharString name="cid18154" fdSelectIndex="1">
+          617 68 hstemhm
+          92 55 22 69 266 70 128 63 hintmask 11000000
+          99 370 rmoveto
+          28 72 17 113 3 83 rrcurveto
+          hintmask 10111000
+          -72 callsubr
+          26 -81 7 -50 rrcurveto
+          635 -89 callgsubr
+          68 -384 vlineto
+          7 47 5 49 5 51 -70 6 rcurveline
+          -5 -53 -5 -51 -7 -49 rrcurveto
+          -139 -68 130 hlineto
+          -33 -210 -57 -173 -109 -118 16 -12 28 -26 11 -13 115 -87 callsubr
+        </CharString>
+        <CharString name="cid18155" fdSelectIndex="1">
+          617 68 hstemhm
+          92 55 22 69 240 70 -54 70 -8 60 76 66 cntrmask 00100010
+          hintmask 11000000
+          99 370 rmoveto
+          28 72 17 113 3 83 rrcurveto
+          hintmask 10110000
+          -72 callsubr
+          25 -81 8 -50 rrcurveto
+          635 -89 callgsubr
+          68 -393 vlineto
+          hintmask 10001000
+          6 47 5 49 5 51 -70 6 rcurveline
+          hintmask 10010000
+          -4 -53 -6 -51 -6 -49 rrcurveto
+          -131 -68 -84 callgsubr
+          -32 -213 -56 -176 -109 -120 16 -11 29 -26 10 -14 116 137 60 191 35 232 rrcurveto
+          332 -129 rmoveto
+          -19 -82 -32 -90 -33 -62 16 -5 26 -13 13 -9 31 64 35 97 22 85 rrcurveto
+          hintmask 10000110
+          -313 -229 rmoveto
+          -4 59 -16 107 -16 84 -56 -9 rcurveline
+          14 -83 14 -109 4 -64 rrcurveto
+          136 355 rmoveto
+          -6 -328 -13 -180 -251 -94 14 -13 20 -25 9 -17 138 55 71 80 39 115 42 -112 66 -89 93 -48 -61 callsubr
+          13 -113 50 -73 115 -36 139 14 84 4 98 2 114 rrcurveto
+          endchar
+        </CharString>
+        <CharString name="cid59592" fdSelectIndex="1">
+          -49 71 205 69 377 70 hstem
+          79 70 159 71 161 75 281 69 cntrmask 01111100
+          308 673 rmoveto
+          -377 -159 377 vlineto
+          230 70 rmoveto
+          -300 -602 70 86 230 hlineto
+          292 -205 rmoveto
+          -47 -9 10 51 hvcurveto
+          345 vlineto
+          345 85 -18 68 -327 -80 rlineto
+          319 -75 -337 vlineto
+          -158 -39 17 -69 141 35 rlineto
+          -326 vlineto
+          -105 29 -28 95 vhcurveto
+          178 hlineto
+          92 21 53 154 10 hvcurveto
+          -21 6 -29 13 -19 13 rrcurveto
+          -134 -6 -7 -34 -45 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid59593" fdSelectIndex="1">
+          -50 72 192 70 219 73 97 70 hstem
+          78 71 159 72 160 75 254 70 cntrmask 10101110
+          cntrmask 01010000
+          308 673 rmoveto
+          -389 -159 389 vlineto
+          231 70 rmoveto
+          -302 -626 71 97 231 hlineto
+          576 289 rmoveto
+          73 -341 244 -75 -244 -116 -73 116 -421 vlineto
+          -104 27 -28 90 vhcurveto
+          -90 callgsubr
+          89 20 53 154 10 hvcurveto
+          -22 5 -29 14 -19 14 rrcurveto
+          -134 -6 -6 -34 -41 hhcurveto
+          -85 callgsubr
+          -42 -9 10 48 hvcurveto
+          423 vlineto
+          endchar
+        </CharString>
+        <CharString name="cid61789" fdSelectIndex="1">
+          -65 59 305 63 87 56 74 63 79 68 hstemhm
+          119 70 59 65 157 64 59 63 82 68 -33 69 71 52 cntrmask 1111111110000000
+          cntrmask 0000001001010000
+          -87 callgsubr
+          189 721 rmoveto
+          755 68 -825 -294 hlineto
+          -157 -7 -219 -81 -157 vhcurveto
+          18 -47 callsubr
+          85 164 11 240 165 vvcurveto
+          281 87 rmoveto
+          -77 -157 -105 callsubr
+          157 -87 vlineto
+          97 -316 rmoveto
+          -15 58 -45 88 -46 65 -59 -20 rcurveline
+          19 -27 19 -32 16 -31 -49 -18 -49 -17 -45 -15 rrcurveto
+          205 221 340 -286 -567 vlineto
+          -23 -8 -21 -7 -19 -6 24 -67 rcurveline
+          77 30 99 37 96 38 10 -25 9 -24 5 -20 rrcurveto
+          151 339 rmoveto
+          217 vlineto
+          hintmask 0101000000100000
+          -94 callgsubr
+          -3 -75 -5 -73 -13 -69 rrcurveto
+          hintmask 1100000001000000
+          81 -368 rmoveto
+          -9 -6 1 3 -5 hvcurveto
+          -5 4 -2 11 19 vvcurveto
+          264 vlineto
+          1 3 rlineto
+          144 63 hlineto
+          hintmask 0101000010100000
+          -131 hlineto
+          12 69 6 74 4 74 rrcurveto
+          92 63 -341 -280 -38 -63 182 hlineto
+          -39 -140 -82 -117 -184 -68 15 -13 20 -25 8 -16 rrcurveto
+          hintmask 1000000011010000
+          127 49 82 73 54 87 rrcurveto
+          -92 vlineto
+          -56 6 -16 15 -13 vhcurveto
+          -12 14 25 -5 20 hhcurveto
+          56 hlineto
+          17 23 3 6 11 hvcurveto
+          15 7 10 12 6 18 rrcurveto
+          6 15 3 48 41 vvcurveto
+          -16 6 -23 11 -13 12 rrcurveto
+          -43 -2 -34 -2 -14 vhcurveto
+          -2 -14 -5 -8 -6 -3 rrcurveto
+          -3 -5 -12 -1 -10 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid61811" fdSelectIndex="1">
+          -75 40 751 67 -65 callsubr
+          133 69 77 58 86 72 cntrmask 00111010
+          81 367 rmoveto
+          36 -97 callsubr
+          132 252 rmoveto
+          499 67 -568 -300 hlineto
+          -156 -10 -212 -102 -150 vhcurveto
+          17 -7 32 -18 13 -11 rrcurveto
+          104 154 15 236 164 vvcurveto
+          403 -190 rmoveto
+          31 57 38 92 30 78 -66 15 rcurveline
+          -19 -68 -39 -99 -30 -60 rrcurveto
+          -275 -36 rmoveto
+          40 56 14 95 8 85 -58 14 rcurveline
+          -7 -81 -16 -87 -35 -52 rrcurveto
+          274 352 rmoveto
+          -72 -268 hlineto
+          -74 -38 -216 -214 -112 vhcurveto
+          13 -15 21 -30 9 -16 169 90 63 165 12 73 13 -72 56 -169 158 -87 11 18 21 31 13 15 rrcurveto
+          -200 110 -35 217 72 vvcurveto
+          endchar
+        </CharString>
+        <CharString name="cid62031" fdSelectIndex="1">
+          -65 53 -29 60 287 62 -58 51 78 49 78 51 -45 62 82 63 hstemhm
+          122 70 48 61 -58 65 165 62 -41 58 53 61 83 63 -43 65 81 48 cntrmask 010111011101010000000000
+          cntrmask 101000110010001010000000
+          hintmask 010110111101011010000000
+          949 716 rmoveto
+          63 -827 -297 vlineto
+          -153 -7 -214 -77 -152 vhcurveto
+          18 -7 31 -19 14 -11 rrcurveto
+          80 159 11 236 161 vvcurveto
+          234 vlineto
+          281 -228 rmoveto
+          -172 hlineto
+          hintmask 000111000101010000000000
+          78 172 vlineto
+          -205 vmoveto
+          -172 78 172 hlineto
+          62 178 rmoveto
+          -128 hlineto
+          10 22 11 23 10 24 -69 16 rcurveline
+          -6 -24 -11 -32 -11 -29 rrcurveto
+          -101 -307 295 hlineto
+          131 58 rmoveto
+          hintmask 000100100000010100000000
+          204 103 vlineto
+          -3 -75 -4 -68 -9 -61 -62 callsubr
+          140 vlineto
+          hintmask 000100100000010100000000
+          62 -129 vlineto
+          9 62 5 67 3 75 rrcurveto
+          104 62 -333 -266 -44 -93 callsubr
+        </CharString>
+        <CharString name="cid62032" fdSelectIndex="1">
+          -67 64 55 56 75 54 70 61 -56 56 71 52 70 56 -47 60 85 68 hstemhm
+          122 69 54 64 166 61 66 61 75 -80 callsubr
+          hintmask 1110111011111101
+          -82 callsubr
+          520 -55 rmoveto
+          -10 -7 1 4 -5 hvcurveto
+          -6 3 -2 6 8 vvcurveto
+          hintmask 1111010111111101
+          281 vlineto
+          2 7 rlineto
+          148 61 hlineto
+          hintmask 1111010111111011
+          -91 callgsubr
+          11 61 8 67 5 74 rrcurveto
+          101 60 -365 -60 -88 callgsubr
+          -4 -74 -6 -68 -12 -60 rrcurveto
+          -83 167 -61 hlineto
+          hintmask 1110110111111101
+          -167 -44 vlineto
+          hintmask 1111010111111101
+          -61 175 vlineto
+          -41 -159 -80 -106 -153 -68 16 -12 27 -27 9 -11 -83 callsubr
+        </CharString>
+        <CharString name="cid62033" fdSelectIndex="1">
+          -65 58 304 63 -59 59 88 55 76 63 79 68 hstemhm
+          119 70 58 65 158 63 83 58 63 68 -32 68 71 53 cntrmask 1100111111000000
+          cntrmask 0011100100101000
+          hintmask 1101111111100000
+          -84 callsubr
+          281 87 rmoveto
+          -79 -158 79 vlineto
+          hintmask 0011100110000000
+          -221 vmoveto
+          87 158 -87 vlineto
+          98 -316 rmoveto
+          -15 59 -44 88 -46 65 -59 -20 rcurveline
+          19 -27 18 -32 16 -31 -50 -17 -49 -17 -46 -16 rrcurveto
+          204 221 341 -286 -567 vlineto
+          -23 -7 -21 -7 -19 -6 26 -67 rcurveline
+          78 29 99 39 95 37 11 -26 8 -24 5 -20 rrcurveto
+          hintmask 0100100001010000
+          168 337 rmoveto
+          219 99 vlineto
+          -4 -75 -5 -74 -13 -70 rrcurveto
+          hintmask 1100000000100000
+          81 -367 rmoveto
+          -9 -6 1 3 -5 hvcurveto
+          -6 4 -1 11 18 vvcurveto
+          264 -1 vlineto
+          1 3 rlineto
+          145 63 hlineto
+          hintmask 0100100001010000
+          -86 callgsubr
+          13 70 6 74 4 75 rrcurveto
+          96 63 -371 -63 50 -219 -62 -63 182 hlineto
+          -40 -139 -83 -118 -182 -68 15 -13 19 -24 9 -17 rrcurveto
+          hintmask 1000000000101000
+          127 50 82 74 54 88 rrcurveto
+          -94 vlineto
+          -56 5 -16 16 -13 vhcurveto
+          -12 14 25 -4 20 hhcurveto
+          56 hlineto
+          17 23 2 6 11 hvcurveto
+          15 7 10 12 6 17 6 16 3 48 1 41 -18 5 -23 12 -12 12 rrcurveto
+          -44 -2 -33 -2 -15 vhcurveto
+          -2 -13 -5 -8 -6 -3 rrcurveto
+          -3 -5 -12 -1 -10 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid62034" fdSelectIndex="1">
+          -65 53 -29 60 287 62 -58 51 78 49 78 51 -43 60 82 63 hstemhm
+          122 70 48 61 -58 65 165 62 -41 58 59 59 79 63 -43 66 80 48 cntrmask 010111011101010000000000
+          cntrmask 101000110010001010000000
+          hintmask 010110111101011010000000
+          949 716 rmoveto
+          63 -827 -297 vlineto
+          -153 -7 -214 -77 -152 vhcurveto
+          18 -7 31 -19 14 -11 rrcurveto
+          80 159 11 236 161 vvcurveto
+          234 vlineto
+          281 -228 rmoveto
+          -172 hlineto
+          hintmask 000111000101010000000000
+          78 172 vlineto
+          -205 vmoveto
+          -172 78 172 hlineto
+          62 178 rmoveto
+          -128 hlineto
+          10 22 11 23 10 24 -69 16 rcurveline
+          -6 -24 -11 -32 -11 -29 rrcurveto
+          -101 -307 295 hlineto
+          135 58 rmoveto
+          hintmask 000100100000010100000000
+          206 99 vlineto
+          -3 -76 -4 -68 -9 -62 -62 callsubr
+          141 vlineto
+          hintmask 000100100000010100000000
+          62 -130 vlineto
+          9 62 5 69 4 75 rrcurveto
+          100 60 -367 -60 43 -206 -50 -93 callsubr
+        </CharString>
+        <CharString name="cid62039" fdSelectIndex="1">
+          -52 71 206 69 377 69 hstem
+          79 70 162 72 100 75 331 70 cntrmask 01111100
+          311 671 rmoveto
+          -377 -162 377 vlineto
+          234 69 rmoveto
+          -304 -618 70 103 234 hlineto
+          240 -206 rmoveto
+          -54 -11 12 55 hvcurveto
+          261 vlineto
+          131 76 143 98 93 94 -55 48 rcurveline
+          -74 -77 -120 -88 -118 -70 rrcurveto
+          407 -75 -748 vlineto
+          -109 32 -30 103 vhcurveto
+          206 hlineto
+          102 22 56 157 11 hvcurveto
+          -21 5 -30 13 -19 14 rrcurveto
+          -138 -7 -9 -36 -53 hhcurveto
+          endchar
+        </CharString>
+        <CharString name="cid62104" fdSelectIndex="1">
+          -76 61 94 56 74 54 69 54 80 56 42 67 -43 53 64 55 hstemhm
+          311 71 61 68 13 66 41 69 44 67 15 69 cntrmask 1111101101010100
+          cntrmask 0000000000101000
+          hintmask 0110101100111000
+          590 588 rmoveto
+          154 -66 -154 hlineto
+          183 vmoveto
+          154 -64 -154 hlineto
+          362 -119 rmoveto
+          -141 66 103 53 -103 64 122 55 -122 76 -67 -76 -154 76 -66 -76 -123 -55 123 -64 -98 -53 98 -66 -138 -56 566 hlineto
+          -252 -331 rmoveto
+          74 vlineto
+          hintmask 1111010011010100
+          126 -74 hlineto
+          -315 74 rmoveto
+          120 -74 -120 hlineto
+          197 vmoveto
+          -51 callsubr
+          hlineto
+          315 69 rmoveto
+          -69 -126 69 vlineto
+          -389 -64 callsubr
+          -429 rmoveto
+          -62 74 52 54 -52 123 -195 59 -69 -59 -188 -123 -66 -54 66 -74 -71 -23 hlineto
+          -21 23 -25 25 -27 24 45 113 27 145 11 185 -43 6 rcurveline
+          -91 callsubr
+          -5 6 rlineto
+          43 -155 68 155 315 -79 hlineto
+          -11 -4 -4 -11 vhcurveto
+          -13 -1 -40 0 -46 2 9 -17 10 -27 3 -18 rrcurveto
+          62 41 1 10 26 hvcurveto
+          25 11 7 19 35 vvcurveto
+          79 -101 callgsubr
+        </CharString>
+        <CharString name="cid62105" fdSelectIndex="1">
+          -76 61 94 58 74 52 69 54 80 54 44 67 -45 53 65 54 hstemhm
+          311 71 57 68 17 66 43 65 46 67 19 69 cntrmask 1111101101010100
+          cntrmask 0000000000101000
+          hintmask 0110101100111000
+          590 586 rmoveto
+          154 -66 -154 hlineto
+          184 vmoveto
+          154 -65 -154 hlineto
+          362 -119 rmoveto
+          -141 66 104 53 -104 65 122 54 -122 78 -67 -78 -154 78 -66 -78 -123 -54 123 -65 -98 -53 98 -66 -138 -54 566 hlineto
+          -254 -329 rmoveto
+          74 vlineto
+          hintmask 1111010011010100
+          132 -74 hlineto
+          -323 74 rmoveto
+          126 -74 -126 hlineto
+          126 195 rmoveto
+          -69 -126 69 vlineto
+          323 hmoveto
+          -69 -132 69 vlineto
+          -387 -64 callsubr
+          -427 rmoveto
+          -58 249 -201 57 -65 -57 -194 -249 -67 -25 hlineto
+          -21 23 -25 25 -27 24 45 113 27 145 11 185 -43 6 rcurveline
+          -86 callsubr
+          -23 30 -26 30 -76 callsubr
+          71 45 58 63 45 85 38 -37 32 -36 22 -30 45 60 rcurveline
+          -5 6 rlineto
+          39 -155 68 155 323 -79 hlineto
+          -11 -4 -4 -11 vhcurveto
+          -13 -1 -40 0 -46 2 8 -18 11 -26 3 -18 rrcurveto
+          62 41 1 10 26 hvcurveto
+          25 11 7 19 35 vvcurveto
+          79 58 vlineto
+          endchar
+        </CharString>
+        <CharString name="cid62172" fdSelectIndex="1">
+          650 68 -70 callsubr
+          223 69 6 54 77 66 cntrmask 01100100
+          hintmask 11110100
+          81 367 rmoveto
+          36 -97 callsubr
+          639 186 rmoveto
+          68 -427 vlineto
+          4 37 3 39 3 39 -69 4 rcurveline
+          -3 -41 -3 -39 -4 -39 rrcurveto
+          -120 -68 -93 callgsubr
+          -26 -209 -49 -177 -98 -117 17 -8 35 -20 12 -10 99 131 50 184 29 226 rrcurveto
+          340 -406 rmoveto
+          27 56 33 88 25 73 -63 15 rcurveline
+          -16 -64 -33 -95 -27 -58 rrcurveto
+          hintmask 10001100
+          -277 -30 rmoveto
+          43 53 16 90 10 83 -54 14 rcurveline
+          -9 -80 -19 -84 -40 -51 rrcurveto
+          265 349 rmoveto
+          -66 -247 hlineto
+          -69 -35 -203 -212 -104 vhcurveto
+          13 -15 19 -26 8 -16 167 86 61 154 12 68 12 -68 53 -158 155 -82 10 16 19 28 12 16 rrcurveto
+          -196 101 -32 206 66 vvcurveto
+          endchar
+        </CharString>
+      </CharStrings>
+    </CFFFont>
+
+    <GlobalSubrs>
+      <!-- The 'index' attribute is only for humans; it is ignored when parsed. -->
+      <CharString index="0">
+        11 -104 callgsubr
+        return
+      </CharString>
+      <CharString index="1">
+        hintmask 000001000001000000000000
+        return
+      </CharString>
+      <CharString index="2">
+        hintmask 000000010000010000000000
+        return
+      </CharString>
+      <CharString index="3">
+        8 18 37 vvcurveto
+        return
+      </CharString>
+      <CharString index="4">
+        32.5 return
+      </CharString>
+      <CharString index="5">
+        -46.5 return
+      </CharString>
+      <CharString index="6">
+        62 vlineto
+        endchar
+      </CharString>
+      <CharString index="7">
+        -11 -2 rlineto
+        return
+      </CharString>
+      <CharString index="8">
+        rcurveline
+        -98 callgsubr
+        return
+      </CharString>
+      <CharString index="9">
+        -12 -2 rlineto
+        return
+      </CharString>
+      <CharString index="10">
+        162 hlineto
+        return
+      </CharString>
+      <CharString index="11">
+        127 hlineto
+        return
+      </CharString>
+      <CharString index="12">
+        110 vlineto
+        return
+      </CharString>
+      <CharString index="13">
+        117 hlineto
+        return
+      </CharString>
+      <CharString index="14">
+        112 hlineto
+        return
+      </CharString>
+      <CharString index="15">
+        113 hlineto
+        return
+      </CharString>
+      <CharString index="16">
+        -136 hlineto
+        return
+      </CharString>
+      <CharString index="17">
+        163 hlineto
+        return
+      </CharString>
+      <CharString index="18">
+        155 rmoveto
+        return
+      </CharString>
+      <CharString index="19">
+        195 hlineto
+        return
+      </CharString>
+      <CharString index="20">
+        hintmask 1111111111000000
+        return
+      </CharString>
+      <CharString index="21">
+        -132 hlineto
+        return
+      </CharString>
+      <CharString index="22">
+        -150 hlineto
+        return
+      </CharString>
+      <CharString index="23">
+        122 hlineto
+        return
+      </CharString>
+      <CharString index="24">
+        171 hlineto
+        return
+      </CharString>
+    </GlobalSubrs>
+  </CFF>
+
+  <GSUB>
+    <Version value="0x00010000"/>
+    <ScriptList>
+      <!-- ScriptCount=2 -->
+      <ScriptRecord index="0">
+        <ScriptTag value="DFLT"/>
+        <Script>
+          <DefaultLangSys>
+            <ReqFeatureIndex value="65535"/>
+            <!-- FeatureCount=1 -->
+            <FeatureIndex index="0" value="0"/>
+          </DefaultLangSys>
+          <!-- LangSysCount=0 -->
+        </Script>
+      </ScriptRecord>
+      <ScriptRecord index="1">
+        <ScriptTag value="hang"/>
+        <Script>
+          <DefaultLangSys>
+            <ReqFeatureIndex value="65535"/>
+            <!-- FeatureCount=1 -->
+            <FeatureIndex index="0" value="1"/>
+          </DefaultLangSys>
+          <!-- LangSysCount=0 -->
+        </Script>
+      </ScriptRecord>
+    </ScriptList>
+    <FeatureList>
+      <!-- FeatureCount=2 -->
+      <FeatureRecord index="0">
+        <FeatureTag value="aalt"/>
+        <Feature>
+          <!-- LookupCount=1 -->
+          <LookupListIndex index="0" value="0"/>
+        </Feature>
+      </FeatureRecord>
+      <FeatureRecord index="1">
+        <FeatureTag value="jp90"/>
+        <Feature>
+          <!-- LookupCount=1 -->
+          <LookupListIndex index="0" value="1"/>
+        </Feature>
+      </FeatureRecord>
+    </FeatureList>
+    <LookupList>
+      <!-- LookupCount=2 -->
+      <Lookup index="0">
+        <LookupType value="3"/>
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <AlternateSubst index="0">
+          <AlternateSet glyph="cid12223">
+            <Alternate glyph="cid62031"/>
+            <Alternate glyph="cid62033"/>
+            <Alternate glyph="cid61789"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid12342">
+            <Alternate glyph="cid62039"/>
+            <Alternate glyph="cid59592"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid15450">
+            <Alternate glyph="cid62104"/>
+            <Alternate glyph="cid62105"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid18153">
+            <Alternate glyph="cid62172"/>
+            <Alternate glyph="cid61811"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid61789">
+            <Alternate glyph="cid62031"/>
+            <Alternate glyph="cid62033"/>
+            <Alternate glyph="cid12223"/>
+          </AlternateSet>
+          <AlternateSet glyph="cid61811">
+            <Alternate glyph="cid62172"/>
+            <Alternate glyph="cid18153"/>
+          </AlternateSet>
+        </AlternateSubst>
+      </Lookup>
+      <Lookup index="1">
+        <LookupType value="1"/>
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <SingleSubst index="0">
+          <Substitution in="cid12223" out="cid61789"/>
+          <Substitution in="cid18153" out="cid61811"/>
+        </SingleSubst>
+      </Lookup>
+    </LookupList>
+  </GSUB>
+
+  <VORG>
+    <majorVersion value="1"/>
+    <minorVersion value="0"/>
+    <defaultVertOriginY value="880"/>
+    <numVertOriginYMetrics value="0"/>
+  </VORG>
+
+  <hmtx>
+    <mtx name=".notdef" width="1000" lsb="100"/>
+    <mtx name="cid12223" width="1000" lsb="38"/>
+    <mtx name="cid12224" width="1000" lsb="40"/>
+    <mtx name="cid12342" width="1000" lsb="77"/>
+    <mtx name="cid15450" width="1000" lsb="44"/>
+    <mtx name="cid15451" width="1000" lsb="30"/>
+    <mtx name="cid15452" width="1000" lsb="39"/>
+    <mtx name="cid18153" width="1000" lsb="31"/>
+    <mtx name="cid18154" width="1000" lsb="43"/>
+    <mtx name="cid18155" width="1000" lsb="43"/>
+    <mtx name="cid59592" width="1000" lsb="79"/>
+    <mtx name="cid59593" width="1000" lsb="78"/>
+    <mtx name="cid61789" width="1000" lsb="31"/>
+    <mtx name="cid61811" width="1000" lsb="31"/>
+    <mtx name="cid62031" width="1000" lsb="38"/>
+    <mtx name="cid62032" width="1000" lsb="38"/>
+    <mtx name="cid62033" width="1000" lsb="36"/>
+    <mtx name="cid62034" width="1000" lsb="38"/>
+    <mtx name="cid62039" width="1000" lsb="79"/>
+    <mtx name="cid62104" width="1000" lsb="44"/>
+    <mtx name="cid62105" width="1000" lsb="44"/>
+    <mtx name="cid62172" width="1000" lsb="31"/>
+  </hmtx>
+
+  <vhea>
+    <tableVersion value="0x00011000"/>
+    <ascent value="500"/>
+    <descent value="-500"/>
+    <lineGap value="0"/>
+    <advanceHeightMax value="1000"/>
+    <minTopSideBearing value="42"/>
+    <minBottomSideBearing value="38"/>
+    <yMaxExtent value="962"/>
+    <caretSlopeRise value="0"/>
+    <caretSlopeRun value="1"/>
+    <caretOffset value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <reserved4 value="0"/>
+    <metricDataFormat value="0"/>
+    <numberOfVMetrics value="1"/>
+  </vhea>
+
+  <vmtx>
+    <mtx name=".notdef" height="1000" tsb="0"/>
+    <mtx name="cid12223" height="1000" tsb="97"/>
+    <mtx name="cid12224" height="1000" tsb="91"/>
+    <mtx name="cid12342" height="1000" tsb="65"/>
+    <mtx name="cid15450" height="1000" tsb="44"/>
+    <mtx name="cid15451" height="1000" tsb="45"/>
+    <mtx name="cid15452" height="1000" tsb="45"/>
+    <mtx name="cid18153" height="1000" tsb="43"/>
+    <mtx name="cid18154" height="1000" tsb="42"/>
+    <mtx name="cid18155" height="1000" tsb="42"/>
+    <mtx name="cid59592" height="1000" tsb="60"/>
+    <mtx name="cid59593" height="1000" tsb="60"/>
+    <mtx name="cid61789" height="1000" tsb="91"/>
+    <mtx name="cid61811" height="1000" tsb="43"/>
+    <mtx name="cid62031" height="1000" tsb="101"/>
+    <mtx name="cid62032" height="1000" tsb="97"/>
+    <mtx name="cid62033" height="1000" tsb="91"/>
+    <mtx name="cid62034" height="1000" tsb="101"/>
+    <mtx name="cid62039" height="1000" tsb="45"/>
+    <mtx name="cid62104" height="1000" tsb="44"/>
+    <mtx name="cid62105" height="1000" tsb="44"/>
+    <mtx name="cid62172" height="1000" tsb="43"/>
+  </vmtx>
+
+</ttFont>
diff --git a/Tests/subset/subset_test.py b/Tests/subset/subset_test.py
index d195af0f..facafb2a 100644
--- a/Tests/subset/subset_test.py
+++ b/Tests/subset/subset_test.py
@@ -1,5 +1,6 @@
 import io
-from fontTools.misc.testTools import getXML
+import fontTools.ttLib.tables.otBase
+from fontTools.misc.testTools import getXML, stripVariableItemsFromTTX
 from fontTools.misc.textTools import tobytes, tostr
 from fontTools import subset
 from fontTools.fontBuilder import FontBuilder
@@ -19,44 +20,36 @@ import pathlib
 import pytest
 
 
-class SubsetTest(unittest.TestCase):
-    def __init__(self, methodName):
-        unittest.TestCase.__init__(self, methodName)
-        # Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
-        # and fires deprecation warnings if a program uses the old name.
-        if not hasattr(self, "assertRaisesRegex"):
-            self.assertRaisesRegex = self.assertRaisesRegexp
+class SubsetTest:
+    @classmethod
+    def setup_class(cls):
+        cls.tempdir = None
+        cls.num_tempfiles = 0
 
-    def setUp(self):
-        self.tempdir = None
-        self.num_tempfiles = 0
-
-    def tearDown(self):
-        if self.tempdir:
-            shutil.rmtree(self.tempdir)
+    @classmethod
+    def teardown_class(cls):
+        if cls.tempdir:
+            shutil.rmtree(cls.tempdir, ignore_errors=True)
 
     @staticmethod
     def getpath(testfile):
         path, _ = os.path.split(__file__)
         return os.path.join(path, "data", testfile)
 
-    def temp_path(self, suffix):
-        if not self.tempdir:
-            self.tempdir = tempfile.mkdtemp()
-        self.num_tempfiles += 1
-        return os.path.join(self.tempdir,
-                            "tmp%d%s" % (self.num_tempfiles, suffix))
-
-    def read_ttx(self, path):
-        lines = []
-        with open(path, "r", encoding="utf-8") as ttx:
-            for line in ttx.readlines():
-                # Elide ttFont attributes because ttLibVersion may change.
-                if line.startswith("<ttFont "):
-                    lines.append("<ttFont>\n")
-                else:
-                    lines.append(line.rstrip() + "\n")
-        return lines
+    @classmethod
+    def temp_path(cls, suffix):
+        if not cls.tempdir:
+            cls.tempdir = tempfile.mkdtemp()
+        cls.num_tempfiles += 1
+        return os.path.join(cls.tempdir,
+                            "tmp%d%s" % (cls.num_tempfiles, suffix))
+
+    @staticmethod
+    def read_ttx(path):
+        with open(path, "r", encoding="utf-8") as f:
+            ttx = f.read()
+        # don't care whether TTF or OTF, thus strip sfntVersion as well
+        return stripVariableItemsFromTTX(ttx, sfntVersion=True).splitlines(True)
 
     def expect_ttx(self, font, expected_ttx, tables=None):
         path = self.temp_path(suffix=".ttx")
@@ -67,21 +60,21 @@ class SubsetTest(unittest.TestCase):
             for line in difflib.unified_diff(
                     expected, actual, fromfile=expected_ttx, tofile=path):
                 sys.stdout.write(line)
-            self.fail("TTX output is different from expected")
+            pytest.fail("TTX output is different from expected")
 
     def compile_font(self, path, suffix):
         savepath = self.temp_path(suffix=suffix)
         font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
         font.importXML(path)
         font.save(savepath, reorderTables=None)
-        return font, savepath
+        return savepath
 
 # -----
 # Tests
 # -----
 
     def test_layout_scripts(self):
-        _, fontpath = self.compile_font(self.getpath("layout_scripts.ttx"), ".otf")
+        fontpath = self.compile_font(self.getpath("layout_scripts.ttx"), ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--glyphs=*", "--layout-features=*",
                      "--layout-scripts=latn,arab.URD,arab.dflt",
@@ -91,41 +84,41 @@ class SubsetTest(unittest.TestCase):
                         ["GPOS", "GSUB"])
 
     def test_no_notdef_outline_otf(self):
-        _, fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
+        fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_otf.ttx"), ["CFF "])
 
     def test_no_notdef_outline_cid(self):
-        _, fontpath = self.compile_font(self.getpath("TestCID-Regular.ttx"), ".otf")
+        fontpath = self.compile_font(self.getpath("TestCID-Regular.ttx"), ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_cid.ttx"), ["CFF "])
 
     def test_no_notdef_outline_ttf(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_ttf.ttx"), ["glyf", "hmtx"])
 
     def test_subset_ankr(self):
-        _, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_ankr.ttx"), ["ankr"])
 
     def test_subset_ankr_remove(self):
-        _, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=two", "--output-file=%s" % subsetpath])
-        self.assertNotIn("ankr", TTFont(subsetpath))
+        assert "ankr" not in TTFont(subsetpath)
 
     def test_subset_bsln_format_0(self):
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-0.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-0.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -138,7 +131,7 @@ class SubsetTest(unittest.TestCase):
         # a subsetted font with {zero, one} and the implicit .notdef, all
         # glyphs in the resulting font use the Roman baseline. In this case,
         # we expect a format 0 'bsln' table because it is the most compact.
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030-0031",
                      "--output-file=%s" % subsetpath])
@@ -154,7 +147,7 @@ class SubsetTest(unittest.TestCase):
         # subsetted font, we expect a format 1 'bsln' table whose default
         # is Roman, but with an override that uses the ideographic baseline
         # for uni2EA2.
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
                      "--output-file=%s" % subsetpath])
@@ -165,7 +158,7 @@ class SubsetTest(unittest.TestCase):
         # The 'bsln' table in TestBSLN-2 refers to control points in glyph 'P'
         # for defining its baselines. Therefore, the subsetted font should
         # include this glyph even though it is not requested explicitly.
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-2.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-2.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -179,7 +172,7 @@ class SubsetTest(unittest.TestCase):
         # baseline measurement, all glyphs in the resulting font use the Roman
         # baseline. In this case, we expect a format 2 'bsln' table because it
         # is the most compact encoding.
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030",
                      "--output-file=%s" % subsetpath])
@@ -195,7 +188,7 @@ class SubsetTest(unittest.TestCase):
         # subsetted font, we expect a format 1 'bsln' table whose default
         # is Roman, but with an override that uses the ideographic baseline
         # for uni2EA2.
-        _, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
                      "--output-file=%s" % subsetpath])
@@ -203,35 +196,35 @@ class SubsetTest(unittest.TestCase):
         self.expect_ttx(subsetfont, self.getpath("expect_bsln_3.ttx"), ["bsln"])
 
     def test_subset_clr(self):
-        _, fontpath = self.compile_font(self.getpath("TestCLR-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestCLR-Regular.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=smileface", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_keep_colr.ttx"), ["GlyphOrder", "hmtx", "glyf", "COLR", "CPAL"])
 
     def test_subset_gvar(self):
-        _, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+002B,U+2212", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
 
     def test_subset_gvar_notdef_outline(self):
-        _, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030", "--notdef_outline", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar_notdef_outline.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
 
     def test_subset_lcar_remove(self):
-        _, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.assertNotIn("lcar", subsetfont)
+        assert "lcar" not in subsetfont
 
     def test_subset_lcar_format_0(self):
-        _, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+FB01",
                      "--output-file=%s" % subsetpath])
@@ -239,7 +232,7 @@ class SubsetTest(unittest.TestCase):
         self.expect_ttx(subsetfont, self.getpath("expect_lcar_0.ttx"), ["lcar"])
 
     def test_subset_lcar_format_1(self):
-        _, fontpath = self.compile_font(self.getpath("TestLCAR-1.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestLCAR-1.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+FB01",
                      "--output-file=%s" % subsetpath])
@@ -247,14 +240,14 @@ class SubsetTest(unittest.TestCase):
         self.expect_ttx(subsetfont, self.getpath("expect_lcar_1.ttx"), ["lcar"])
 
     def test_subset_math(self):
-        _, fontpath = self.compile_font(self.getpath("TestMATH-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestMATH-Regular.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0041,U+0028,U+0302,U+1D400,U+1D435", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_keep_math.ttx"), ["GlyphOrder", "CFF ", "MATH", "hmtx"])
 
     def test_subset_math_partial(self):
-        _, fontpath = self.compile_font(self.getpath("test_math_partial.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("test_math_partial.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--text=A", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -265,21 +258,21 @@ class SubsetTest(unittest.TestCase):
         # the Optical Bounds table. When subsetting, we do not request any
         # of those glyphs. Therefore, the produced subsetted font should
         # not contain an 'opbd' table.
-        _, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.assertNotIn("opbd", subsetfont)
+        assert "opbd" not in subsetfont
 
     def test_subset_opbd_format_0(self):
-        _, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_opbd_0.ttx"), ["opbd"])
 
     def test_subset_opbd_format_1(self):
-        _, fontpath = self.compile_font(self.getpath("TestOPBD-1.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestOPBD-1.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -288,12 +281,12 @@ class SubsetTest(unittest.TestCase):
     def test_subset_prop_remove_default_zero(self):
         # If all glyphs have an AAT glyph property with value 0,
         # the "prop" table should be removed from the subsetted font.
-        _, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0041",
                      "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.assertNotIn("prop", subsetfont)
+        assert "prop" not in subsetfont
 
     def test_subset_prop_0(self):
         # If all glyphs share the same AAT glyph properties, the "prop" table
@@ -302,7 +295,7 @@ class SubsetTest(unittest.TestCase):
         # Unless the shared value is zero, in which case the subsetted font
         # should have no "prop" table at all. But that case has already been
         # tested above in test_subset_prop_remove_default_zero().
-        _, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030-0032", "--no-notdef-glyph",
                      "--output-file=%s" % subsetpath])
@@ -313,7 +306,7 @@ class SubsetTest(unittest.TestCase):
         # If not all glyphs share the same AAT glyph properties, the subsetted
         # font should contain a "prop" table in format 1. To save space, the
         # DefaultProperties should be set to the most frequent value.
-        _, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=U+0030-0032", "--notdef-outline",
                      "--output-file=%s" % subsetpath])
@@ -323,32 +316,32 @@ class SubsetTest(unittest.TestCase):
     def test_options(self):
         # https://github.com/fonttools/fonttools/issues/413
         opt1 = subset.Options()
-        self.assertTrue('Xyz-' not in opt1.layout_features)
+        assert 'Xyz-' not in opt1.layout_features
         opt2 = subset.Options()
         opt2.layout_features.append('Xyz-')
-        self.assertTrue('Xyz-' in opt2.layout_features)
-        self.assertTrue('Xyz-' not in opt1.layout_features)
+        assert 'Xyz-' in opt2.layout_features
+        assert 'Xyz-' not in opt1.layout_features
 
     def test_google_color(self):
-        _, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.assertTrue("CBDT" in subsetfont)
-        self.assertTrue("CBLC" in subsetfont)
-        self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
-        self.assertFalse("y" in subsetfont['CBDT'].strikeData[0])
+        assert "CBDT" in subsetfont
+        assert "CBLC" in subsetfont
+        assert "x" in subsetfont['CBDT'].strikeData[0]
+        assert "y" not in subsetfont['CBDT'].strikeData[0]
 
     def test_google_color_all(self):
-        _, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=*", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
-        self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
-        self.assertTrue("y" in subsetfont['CBDT'].strikeData[0])
+        assert "x" in subsetfont['CBDT'].strikeData[0]
+        assert "y" in subsetfont['CBDT'].strikeData[0]
 
     def test_sbix(self):
-        _, fontpath = self.compile_font(self.getpath("sbix.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("sbix.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -356,7 +349,7 @@ class SubsetTest(unittest.TestCase):
             "expect_sbix.ttx"), ["sbix"])
 
     def test_timing_publishes_parts(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
 
         options = subset.Options()
         options.timing = True
@@ -367,15 +360,15 @@ class SubsetTest(unittest.TestCase):
             subsetter.subset(font)
         logs = captor.records
 
-        self.assertTrue(len(logs) > 5)
-        self.assertEqual(len(logs), len([l for l in logs if 'msg' in l.args and 'time' in l.args]))
+        assert len(logs) > 5
+        assert len(logs) == len([l for l in logs if 'msg' in l.args and 'time' in l.args])
         # Look for a few things we know should happen
-        self.assertTrue(filter(lambda l: l.args['msg'] == "load 'cmap'", logs))
-        self.assertTrue(filter(lambda l: l.args['msg'] == "subset 'cmap'", logs))
-        self.assertTrue(filter(lambda l: l.args['msg'] == "subset 'glyf'", logs))
+        assert filter(lambda l: l.args['msg'] == "load 'cmap'", logs)
+        assert filter(lambda l: l.args['msg'] == "subset 'cmap'", logs)
+        assert filter(lambda l: l.args['msg'] == "subset 'glyf'", logs)
 
     def test_passthrough_tables(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
         font = TTFont(fontpath)
         unknown_tag = 'ZZZZ'
         unknown_table = newTable(unknown_tag)
@@ -388,17 +381,17 @@ class SubsetTest(unittest.TestCase):
         subsetfont = TTFont(subsetpath)
 
         # tables we can't subset are dropped by default
-        self.assertFalse(unknown_tag in subsetfont)
+        assert unknown_tag not in subsetfont
 
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--passthrough-tables", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
 
         # unknown tables are kept if --passthrough-tables option is passed
-        self.assertTrue(unknown_tag in subsetfont)
+        assert unknown_tag in subsetfont
 
     def test_non_BMP_text_arg_input(self):
-        _, fontpath = self.compile_font(
+        fontpath = self.compile_font(
             self.getpath("TestTTF-Regular_non_BMP_char.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         text = tostr(u"A\U0001F6D2", encoding='utf-8')
@@ -406,11 +399,11 @@ class SubsetTest(unittest.TestCase):
         subset.main([fontpath, "--text=%s" % text, "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
 
-        self.assertEqual(subsetfont['maxp'].numGlyphs, 3)
-        self.assertEqual(subsetfont.getGlyphOrder(), ['.notdef', 'A', 'u1F6D2'])
+        assert subsetfont['maxp'].numGlyphs == 3
+        assert subsetfont.getGlyphOrder() == ['.notdef', 'A', 'u1F6D2']
 
     def test_non_BMP_text_file_input(self):
-        _, fontpath = self.compile_font(
+        fontpath = self.compile_font(
             self.getpath("TestTTF-Regular_non_BMP_char.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         text = tobytes(u"A\U0001F6D2", encoding='utf-8')
@@ -424,12 +417,12 @@ class SubsetTest(unittest.TestCase):
         finally:
             os.remove(tmp.name)
 
-        self.assertEqual(subsetfont['maxp'].numGlyphs, 3)
-        self.assertEqual(subsetfont.getGlyphOrder(), ['.notdef', 'A', 'u1F6D2'])
+        assert subsetfont['maxp'].numGlyphs == 3
+        assert subsetfont.getGlyphOrder() == ['.notdef', 'A', 'u1F6D2']
 
     def test_no_hinting_CFF(self):
         ttxpath = self.getpath("Lobster.subset.ttx")
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--no-hinting", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -439,7 +432,7 @@ class SubsetTest(unittest.TestCase):
 
     def test_desubroutinize_CFF(self):
         ttxpath = self.getpath("Lobster.subset.ttx")
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--desubroutinize", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -449,7 +442,7 @@ class SubsetTest(unittest.TestCase):
 
     def test_desubroutinize_hinted_subrs_CFF(self):
         ttxpath = self.getpath("test_hinted_subrs_CFF.ttx")
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--desubroutinize", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -459,7 +452,7 @@ class SubsetTest(unittest.TestCase):
 
     def test_desubroutinize_cntrmask_CFF(self):
         ttxpath = self.getpath("test_cntrmask_CFF.ttx")
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--desubroutinize", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -469,7 +462,7 @@ class SubsetTest(unittest.TestCase):
 
     def test_no_hinting_desubroutinize_CFF(self):
         ttxpath = self.getpath("test_hinted_subrs_CFF.ttx")
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--no-hinting", "--desubroutinize", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -478,7 +471,7 @@ class SubsetTest(unittest.TestCase):
             "expect_no_hinting_desubroutinize_CFF.ttx"), ["CFF "])
 
     def test_no_hinting_TTF(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--no-hinting", "--notdef-outline",
                      "--output-file=%s" % subsetpath, "*"])
@@ -486,11 +479,11 @@ class SubsetTest(unittest.TestCase):
         self.expect_ttx(subsetfont, self.getpath(
             "expect_no_hinting_TTF.ttx"), ["glyf", "maxp"])
         for tag in subset.Options().hinting_tables:
-            self.assertTrue(tag not in subsetfont)
+            assert tag not in subsetfont
 
     def test_notdef_width_cid(self):
         # https://github.com/fonttools/fonttools/pull/845
-        _, fontpath = self.compile_font(self.getpath("NotdefWidthCID-Regular.ttx"), ".otf")
+        fontpath = self.compile_font(self.getpath("NotdefWidthCID-Regular.ttx"), ".otf")
         subsetpath = self.temp_path(".otf")
         subset.main([fontpath, "--no-notdef-outline", "--gids=0,1", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -503,18 +496,18 @@ class SubsetTest(unittest.TestCase):
         head = font['head']
         bounds = [head.xMin, head.yMin, head.xMax, head.yMax]
 
-        _, fontpath = self.compile_font(ttxpath, ".ttf")
+        fontpath = self.compile_font(ttxpath, ".ttf")
         subsetpath = self.temp_path(".ttf")
 
         # by default, the subsetter does not recalculate the bounding box
         subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
         head = TTFont(subsetpath)['head']
-        self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
+        assert bounds == [head.xMin, head.yMin, head.xMax, head.yMax]
 
         subset.main([fontpath, "--recalc-bounds", "--output-file=%s" % subsetpath, "*"])
         head = TTFont(subsetpath)['head']
         bounds = [132, 304, 365, 567]
-        self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
+        assert bounds == [head.xMin, head.yMin, head.xMax, head.yMax]
 
     def test_recalc_bounds_otf(self):
         ttxpath = self.getpath("TestOTF-Regular.ttx")
@@ -523,76 +516,76 @@ class SubsetTest(unittest.TestCase):
         head = font['head']
         bounds = [head.xMin, head.yMin, head.xMax, head.yMax]
 
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
 
         # by default, the subsetter does not recalculate the bounding box
         subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
         head = TTFont(subsetpath)['head']
-        self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
+        assert bounds == [head.xMin, head.yMin, head.xMax, head.yMax]
 
         subset.main([fontpath, "--recalc-bounds", "--output-file=%s" % subsetpath, "*"])
         head = TTFont(subsetpath)['head']
         bounds = [132, 304, 365, 567]
-        self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
+        assert bounds == [head.xMin, head.yMin, head.xMax, head.yMax]
 
     def test_recalc_timestamp_ttf(self):
         ttxpath = self.getpath("TestTTF-Regular.ttx")
         font = TTFont()
         font.importXML(ttxpath)
         modified = font['head'].modified
-        _, fontpath = self.compile_font(ttxpath, ".ttf")
+        fontpath = self.compile_font(ttxpath, ".ttf")
         subsetpath = self.temp_path(".ttf")
 
         # by default, the subsetter does not recalculate the modified timestamp
         subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
-        self.assertEqual(modified, TTFont(subsetpath)['head'].modified)
+        assert modified == TTFont(subsetpath)['head'].modified
 
         subset.main([fontpath, "--recalc-timestamp", "--output-file=%s" % subsetpath, "*"])
-        self.assertLess(modified, TTFont(subsetpath)['head'].modified)
+        assert modified < TTFont(subsetpath)['head'].modified
 
     def test_recalc_timestamp_otf(self):
         ttxpath = self.getpath("TestOTF-Regular.ttx")
         font = TTFont()
         font.importXML(ttxpath)
         modified = font['head'].modified
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
 
         # by default, the subsetter does not recalculate the modified timestamp
         subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
-        self.assertEqual(modified, TTFont(subsetpath)['head'].modified)
+        assert modified == TTFont(subsetpath)['head'].modified
 
         subset.main([fontpath, "--recalc-timestamp", "--output-file=%s" % subsetpath, "*"])
-        self.assertLess(modified, TTFont(subsetpath)['head'].modified)
+        assert modified < TTFont(subsetpath)['head'].modified
 
     def test_recalc_max_context(self):
         ttxpath = self.getpath("Lobster.subset.ttx")
         font = TTFont()
         font.importXML(ttxpath)
         max_context = font['OS/2'].usMaxContext
-        _, fontpath = self.compile_font(ttxpath, ".otf")
+        fontpath = self.compile_font(ttxpath, ".otf")
         subsetpath = self.temp_path(".otf")
 
         # by default, the subsetter does not recalculate the usMaxContext
         subset.main([fontpath, "--drop-tables+=GSUB,GPOS",
                                "--output-file=%s" % subsetpath])
-        self.assertEqual(max_context, TTFont(subsetpath)['OS/2'].usMaxContext)
+        assert max_context == TTFont(subsetpath)['OS/2'].usMaxContext
 
         subset.main([fontpath, "--recalc-max-context",
                                "--drop-tables+=GSUB,GPOS",
                                "--output-file=%s" % subsetpath])
-        self.assertEqual(0, TTFont(subsetpath)['OS/2'].usMaxContext)
+        assert 0 == TTFont(subsetpath)['OS/2'].usMaxContext
 
     def test_retain_gids_ttf(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
         font = TTFont(fontpath)
 
-        self.assertEqual(font["hmtx"]["A"], (500, 132))
-        self.assertEqual(font["hmtx"]["B"], (400, 132))
+        assert font["hmtx"]["A"] == (500, 132)
+        assert font["hmtx"]["B"] == (400, 132)
 
-        self.assertGreater(font["glyf"]["A"].numberOfContours, 0)
-        self.assertGreater(font["glyf"]["B"].numberOfContours, 0)
+        assert font["glyf"]["A"].numberOfContours > 0
+        assert font["glyf"]["B"].numberOfContours > 0
 
         subsetpath = self.temp_path(".ttf")
         subset.main(
@@ -606,29 +599,29 @@ class SubsetTest(unittest.TestCase):
         )
         subsetfont = TTFont(subsetpath)
 
-        self.assertEqual(subsetfont.getGlyphOrder(), font.getGlyphOrder()[0:3])
+        assert subsetfont.getGlyphOrder() == font.getGlyphOrder()[0:3]
 
         hmtx = subsetfont["hmtx"]
-        self.assertEqual(hmtx["A"], (  0,   0))
-        self.assertEqual(hmtx["B"], (400, 132))
+        assert hmtx["A"] == (0, 0)
+        assert hmtx["B"] == (400, 132)
 
         glyf = subsetfont["glyf"]
-        self.assertEqual(glyf["A"].numberOfContours, 0)
-        self.assertGreater(glyf["B"].numberOfContours, 0)
+        assert glyf["A"].numberOfContours == 0
+        assert glyf["B"].numberOfContours > 0
 
     def test_retain_gids_cff(self):
-        _, fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
+        fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
         font = TTFont(fontpath)
 
-        self.assertEqual(font["hmtx"]["A"], (500, 132))
-        self.assertEqual(font["hmtx"]["B"], (400, 132))
-        self.assertEqual(font["hmtx"]["C"], (500,   0))
+        assert font["hmtx"]["A"] == (500, 132)
+        assert font["hmtx"]["B"] == (400, 132)
+        assert font["hmtx"]["C"] == (500, 0)
 
         font["CFF "].cff[0].decompileAllCharStrings()
         cs = font["CFF "].cff[0].CharStrings
-        self.assertGreater(len(cs["A"].program), 0)
-        self.assertGreater(len(cs["B"].program), 0)
-        self.assertGreater(len(cs["C"].program), 0)
+        assert len(cs["A"].program) > 0
+        assert len(cs["B"].program) > 0
+        assert len(cs["C"].program) > 0
 
         subsetpath = self.temp_path(".otf")
         subset.main(
@@ -642,29 +635,30 @@ class SubsetTest(unittest.TestCase):
         )
         subsetfont = TTFont(subsetpath)
 
-        self.assertEqual(subsetfont.getGlyphOrder(), font.getGlyphOrder()[0:3])
+        assert subsetfont.getGlyphOrder() == font.getGlyphOrder()[0:3]
 
         hmtx = subsetfont["hmtx"]
-        self.assertEqual(hmtx["A"], (0,     0))
-        self.assertEqual(hmtx["B"], (400, 132))
+        assert hmtx["A"] == (0, 0)
+        assert hmtx["B"] == (400, 132)
 
         subsetfont["CFF "].cff[0].decompileAllCharStrings()
         cs = subsetfont["CFF "].cff[0].CharStrings
 
-        self.assertEqual(cs["A"].program, ["endchar"])
-        self.assertGreater(len(cs["B"].program), 0)
+        assert cs["A"].program == ["endchar"]
+        assert len(cs["B"].program) > 0
 
     def test_retain_gids_cff2(self):
         ttx_path = self.getpath("../../varLib/data/master_ttx_varfont_otf/TestCFF2VF.ttx")
-        font, fontpath = self.compile_font(ttx_path, ".otf")
+        fontpath = self.compile_font(ttx_path, ".otf")
+        font = TTFont(fontpath)
 
-        self.assertEqual(font["hmtx"]["A"], (600, 31))
-        self.assertEqual(font["hmtx"]["T"], (600, 41))
+        assert font["hmtx"]["A"] == (600, 31)
+        assert font["hmtx"]["T"] == (600, 41)
 
         font["CFF2"].cff[0].decompileAllCharStrings()
         cs = font["CFF2"].cff[0].CharStrings
-        self.assertGreater(len(cs["A"].program), 0)
-        self.assertGreater(len(cs["T"].program), 0)
+        assert len(cs["A"].program) > 0
+        assert len(cs["T"].program) > 0
 
         subsetpath = self.temp_path(".otf")
         subset.main(
@@ -677,33 +671,33 @@ class SubsetTest(unittest.TestCase):
         )
         subsetfont = TTFont(subsetpath)
 
-        self.assertEqual(len(subsetfont.getGlyphOrder()), len(font.getGlyphOrder()[0:3]))
+        assert len(subsetfont.getGlyphOrder()) == len(font.getGlyphOrder()[0:3])
 
         hmtx = subsetfont["hmtx"]
-        self.assertEqual(hmtx["glyph00001"], (  0,  0))
-        self.assertEqual(hmtx["T"], (600, 41))
+        assert hmtx["glyph00001"] == (0, 0)
+        assert hmtx["T"] == (600, 41)
 
         subsetfont["CFF2"].cff[0].decompileAllCharStrings()
         cs = subsetfont["CFF2"].cff[0].CharStrings
-        self.assertEqual(cs["glyph00001"].program, [])
-        self.assertGreater(len(cs["T"].program), 0)
+        assert cs["glyph00001"].program == []
+        assert len(cs["T"].program) > 0
 
     def test_HVAR_VVAR(self):
-        _, fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--text=BD", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_HVVAR.ttx"), ["GlyphOrder", "HVAR", "VVAR", "avar", "fvar"])
 
     def test_HVAR_VVAR_retain_gids(self):
-        _, fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--text=BD", "--retain-gids", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("expect_HVVAR_retain_gids.ttx"), ["GlyphOrder", "HVAR", "VVAR", "avar", "fvar"])
 
     def test_subset_flavor(self):
-        _, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
         font = TTFont(fontpath)
 
         woff_path = self.temp_path(".woff")
@@ -717,7 +711,7 @@ class SubsetTest(unittest.TestCase):
         )
         woff = TTFont(woff_path)
 
-        self.assertEqual(woff.flavor, "woff")
+        assert woff.flavor == "woff"
 
         woff2_path = self.temp_path(".woff2")
         subset.main(
@@ -730,7 +724,7 @@ class SubsetTest(unittest.TestCase):
         )
         woff2 = TTFont(woff2_path)
 
-        self.assertEqual(woff2.flavor, "woff2")
+        assert woff2.flavor == "woff2"
 
         ttf_path = self.temp_path(".ttf")
         subset.main(
@@ -742,13 +736,13 @@ class SubsetTest(unittest.TestCase):
         )
         ttf = TTFont(ttf_path)
 
-        self.assertEqual(ttf.flavor, None)
+        assert ttf.flavor is None
 
     def test_subset_context_subst_format_3(self):
         # https://github.com/fonttools/fonttools/issues/1879
         # Test font contains 'calt' feature with Format 3 ContextSubst lookup subtables
         ttx = self.getpath("TestContextSubstFormat3.ttx")
-        font, fontpath = self.compile_font(ttx, ".ttf")
+        fontpath = self.compile_font(ttx, ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--unicodes=*", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
@@ -756,13 +750,14 @@ class SubsetTest(unittest.TestCase):
         self.expect_ttx(subsetfont, ttx)
 
     def test_cmap_prune_format12(self):
-        _, fontpath = self.compile_font(self.getpath("CmapSubsetTest.ttx"), ".ttf")
+        fontpath = self.compile_font(self.getpath("CmapSubsetTest.ttx"), ".ttf")
         subsetpath = self.temp_path(".ttf")
         subset.main([fontpath, "--glyphs=a", "--output-file=%s" % subsetpath])
         subsetfont = TTFont(subsetpath)
         self.expect_ttx(subsetfont, self.getpath("CmapSubsetTest.subset.ttx"), ["cmap"])
 
-    def test_GPOS_PairPos_Format2_useClass0(self):
+    @pytest.mark.parametrize("text, n", [("!", 1), ("#", 2)])
+    def test_GPOS_PairPos_Format2_useClass0(self, text, n):
         # Check two things related to class 0 ('every other glyph'):
         # 1) that it's reused for ClassDef1 when it becomes empty as the subset glyphset
         #    is intersected with the table's Coverage
@@ -772,29 +767,27 @@ class SubsetTest(unittest.TestCase):
         # The test font (from Harfbuzz test suite) is constructed to trigger these two
         # situations depending on the input subset --text.
         # https://github.com/fonttools/fonttools/pull/2221
-        _, fontpath = self.compile_font(
+        fontpath = self.compile_font(
             self.getpath("GPOS_PairPos_Format2_PR_2221.ttx"), ".ttf"
         )
         subsetpath = self.temp_path(".ttf")
 
-        for n, text in enumerate("!#", start=1):
-            expected_ttx = self.getpath(
-                f"GPOS_PairPos_Format2_ClassDef{n}_useClass0.subset.ttx"
-            )
-            with self.subTest(text=text, expected_ttx=expected_ttx):
-                subset.main(
-                    [
-                        fontpath,
-                        f"--text='{text}'",
-                        "--layout-features+=test",
-                        "--output-file=%s" % subsetpath,
-                    ]
-                )
-                subsetfont = TTFont(subsetpath)
-                self.expect_ttx(subsetfont, expected_ttx, ["GPOS"])
+        expected_ttx = self.getpath(
+            f"GPOS_PairPos_Format2_ClassDef{n}_useClass0.subset.ttx"
+        )
+        subset.main(
+            [
+                fontpath,
+                f"--text='{text}'",
+                "--layout-features+=test",
+                "--output-file=%s" % subsetpath,
+            ]
+        )
+        subsetfont = TTFont(subsetpath)
+        self.expect_ttx(subsetfont, expected_ttx, ["GPOS"])
 
     def test_GPOS_SinglePos_prune_post_subset_no_value(self):
-        _, fontpath = self.compile_font(
+        fontpath = self.compile_font(
             self.getpath("GPOS_SinglePos_no_value_issue_2312.ttx"), ".ttf"
         )
         subsetpath = self.temp_path(".ttf")
@@ -806,6 +799,91 @@ class SubsetTest(unittest.TestCase):
             ["GlyphOrder", "GPOS"],
         )
 
+    @pytest.mark.parametrize(
+        "installed, enabled, ok",
+        [
+            pytest.param(True, None, True, id="installed-auto-ok"),
+            pytest.param(True, None, False, id="installed-auto-fail"),
+            pytest.param(True, True, True, id="installed-enabled-ok"),
+            pytest.param(True, True, False, id="installed-enabled-fail"),
+            pytest.param(True, False, True, id="installed-disabled"),
+            pytest.param(False, True, True, id="not_installed-enabled"),
+            pytest.param(False, False, True, id="not_installed-disabled"),
+        ],
+    )
+    def test_harfbuzz_repacker(self, caplog, monkeypatch, installed, enabled, ok):
+        # Use a mock to test the pure-python serializer is used when uharfbuzz
+        # returns an error or is not installed
+        have_uharfbuzz = fontTools.ttLib.tables.otBase.have_uharfbuzz
+        if installed:
+            if not have_uharfbuzz:
+                pytest.skip("uharfbuzz is not installed")
+            if not ok:
+                # pretend hb.repack returns an error
+                import uharfbuzz as hb
+
+                def mock_repack(data, obj_list):
+                    raise hb.RepackerError("mocking")
+
+                monkeypatch.setattr(hb, "repack", mock_repack)
+        else:
+            if have_uharfbuzz:
+                # pretend uharfbuzz is not installed
+                monkeypatch.setattr(
+                    fontTools.ttLib.tables.otBase, "have_uharfbuzz", False
+                )
+
+        fontpath = self.compile_font(self.getpath("harfbuzz_repacker.ttx"), ".otf")
+        subsetpath = self.temp_path(".otf")
+        args = [
+            fontpath,
+            "--unicodes=0x53a9",
+            "--layout-features=*",
+            f"--output-file={subsetpath}",
+        ]
+        if enabled is True:
+            args.append("--harfbuzz-repacker")
+        elif enabled is False:
+            args.append("--no-harfbuzz-repacker")
+        # elif enabled is None: ... is the default
+
+        if enabled is True and not installed:
+            # raise if enabled but not installed
+            with pytest.raises(ImportError, match="uharfbuzz"):
+                subset.main(args)
+            return
+
+        with caplog.at_level(logging.DEBUG, "fontTools.ttLib.tables.otBase"):
+            subset.main(args)
+
+        subsetfont = TTFont(subsetpath)
+        # both hb.repack and pure-python serializer compile to the same ttx
+        self.expect_ttx(
+            subsetfont, self.getpath("expect_harfbuzz_repacker.ttx"), ["GSUB"]
+        )
+
+        if enabled or enabled is None:
+            if installed:
+                assert "serializing 'GSUB' with hb.repack" in caplog.text
+
+        if enabled is None and not installed:
+            assert (
+                "uharfbuzz not found, compiling 'GSUB' with pure-python serializer"
+            ) in caplog.text
+
+        if enabled is False:
+            assert (
+                "hb.repack disabled, compiling 'GSUB' with pure-python serializer"
+            ) in caplog.text
+
+        # test we emit a log.error if hb.repack fails (and we don't if successful)
+        assert (
+                (
+                "hb.repack failed to serialize 'GSUB', reverting to "
+                "pure-python serializer; the error message was: RepackerError: mocking"
+            ) in caplog.text
+        ) ^ ok
+
 
 @pytest.fixture
 def featureVarsTestFont():
diff --git a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_diff.ttx b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_diff.ttx
index 14e12097..0086ddc3 100644
--- a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_diff.ttx
+++ b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_diff.ttx
@@ -83,21 +83,23 @@
         </MarkBasePos>
       </Lookup>
       <Lookup index="2">
-        <LookupType value="7"/>
+        <LookupType value="8"/>
         <LookupFlag value="0"/>
         <!-- SubTableCount=1 -->
-        <ContextPos index="0" Format="1">
+        <ChainContextPos index="0" Format="1">
           <Coverage>
             <Glyph value="A"/>
           </Coverage>
-          <!-- PosRuleSetCount=1 -->
-          <PosRuleSet index="0">
-            <!-- PosRuleCount=1 -->
-            <PosRule index="0">
-              <!-- GlyphCount=3 -->
-              <!-- PosCount=2 -->
+          <!-- ChainPosRuleSetCount=1 -->
+          <ChainPosRuleSet index="0">
+            <!-- ChainPosRuleCount=1 -->
+            <ChainPosRule index="0">
+              <!-- BacktrackGlyphCount=0 -->
+              <!-- InputGlyphCount=3 -->
               <Input index="0" value="a"/>
               <Input index="1" value="uni0303"/>
+              <!-- LookAheadGlyphCount=0 -->
+              <!-- PosCount=2 -->
               <PosLookupRecord index="0">
                 <SequenceIndex value="0"/>
                 <LookupListIndex value="0"/>
@@ -106,9 +108,9 @@
                 <SequenceIndex value="2"/>
                 <LookupListIndex value="1"/>
               </PosLookupRecord>
-            </PosRule>
-          </PosRuleSet>
-        </ContextPos>
+            </ChainPosRule>
+          </ChainPosRuleSet>
+        </ChainContextPos>
       </Lookup>
     </LookupList>
   </GPOS>
diff --git a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_same.ttx b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_same.ttx
index eff24fc3..a32c94d0 100644
--- a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_same.ttx
+++ b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_same.ttx
@@ -83,21 +83,23 @@
         </MarkBasePos>
       </Lookup>
       <Lookup index="2">
-        <LookupType value="7"/>
+        <LookupType value="8"/>
         <LookupFlag value="0"/>
         <!-- SubTableCount=1 -->
-        <ContextPos index="0" Format="1">
+        <ChainContextPos index="0" Format="1">
           <Coverage>
             <Glyph value="A"/>
           </Coverage>
-          <!-- PosRuleSetCount=1 -->
-          <PosRuleSet index="0">
-            <!-- PosRuleCount=1 -->
-            <PosRule index="0">
-              <!-- GlyphCount=3 -->
-              <!-- PosCount=2 -->
+          <!-- ChainPosRuleSetCount=1 -->
+          <ChainPosRuleSet index="0">
+            <!-- ChainPosRuleCount=1 -->
+            <ChainPosRule index="0">
+              <!-- BacktrackGlyphCount=0 -->
+              <!-- InputGlyphCount=3 -->
               <Input index="0" value="a"/>
               <Input index="1" value="uni0303"/>
+              <!-- LookAheadGlyphCount=0 -->
+              <!-- PosCount=2 -->
               <PosLookupRecord index="0">
                 <SequenceIndex value="0"/>
                 <LookupListIndex value="0"/>
@@ -106,9 +108,9 @@
                 <SequenceIndex value="2"/>
                 <LookupListIndex value="1"/>
               </PosLookupRecord>
-            </PosRule>
-          </PosRuleSet>
-        </ContextPos>
+            </ChainPosRule>
+          </ChainPosRuleSet>
+        </ChainContextPos>
       </Lookup>
     </LookupList>
   </GPOS>
diff --git a/Tests/varLib/instancer/instancer_test.py b/Tests/varLib/instancer/instancer_test.py
index bb2d1758..b9d4ffe9 100644
--- a/Tests/varLib/instancer/instancer_test.py
+++ b/Tests/varLib/instancer/instancer_test.py
@@ -1,4 +1,5 @@
 from fontTools.misc.fixedTools import floatToFixedToFloat
+from fontTools.misc.testTools import stripVariableItemsFromTTX
 from fontTools.misc.textTools import Tag
 from fontTools import ttLib
 from fontTools import designspaceLib
@@ -1386,10 +1387,6 @@ def test_setMacOverlapFlags():
     assert b.components[0].flags & flagOverlapCompound != 0
 
 
-def _strip_ttLibVersion(string):
-    return re.sub(' ttLibVersion=".*"', "", string)
-
-
 @pytest.fixture
 def varfont2():
     f = ttLib.TTFont(recalcTimestamp=False)
@@ -1412,7 +1409,7 @@ def _dump_ttx(ttFont):
     ttFont2 = ttLib.TTFont(tmp, recalcBBoxes=False, recalcTimestamp=False)
     s = StringIO()
     ttFont2.saveXML(s)
-    return _strip_ttLibVersion(s.getvalue())
+    return stripVariableItemsFromTTX(s.getvalue())
 
 
 def _get_expected_instance_ttx(
@@ -1428,7 +1425,7 @@ def _get_expected_instance_ttx(
         "r",
         encoding="utf-8",
     ) as fp:
-        return _strip_ttLibVersion(fp.read())
+        return stripVariableItemsFromTTX(fp.read())
 
 
 class InstantiateVariableFontTest(object):
diff --git a/Tests/varLib/interpolate_layout_test.py b/Tests/varLib/interpolate_layout_test.py
index 18dc3a75..219f087f 100644
--- a/Tests/varLib/interpolate_layout_test.py
+++ b/Tests/varLib/interpolate_layout_test.py
@@ -746,8 +746,8 @@ class InterpolateLayoutTest(unittest.TestCase):
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
 
 
-    def test_varlib_interpolate_layout_GPOS_only_LookupType_7_same_val_ttf(self):
-        """Only GPOS; LookupType 7; same values in all masters.
+    def test_varlib_interpolate_layout_GPOS_only_LookupType_8_same_val_ttf(self):
+        """Only GPOS; LookupType 8; same values in all masters.
         """
         suffix = '.ttf'
         ds_path = self.get_test_input('InterpolateLayout.designspace')
@@ -779,13 +779,13 @@ class InterpolateLayoutTest(unittest.TestCase):
         instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
 
         tables = ['GPOS']
-        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_7_same.ttx')
+        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_same.ttx')
         self.expect_ttx(instfont, expected_ttx_path, tables)
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
 
 
-    def test_varlib_interpolate_layout_GPOS_only_LookupType_7_diff_val_ttf(self):
-        """Only GPOS; LookupType 7; different values in each master.
+    def test_varlib_interpolate_layout_GPOS_only_LookupType_8_diff_val_ttf(self):
+        """Only GPOS; LookupType 8; different values in each master.
         """
         suffix = '.ttf'
         ds_path = self.get_test_input('InterpolateLayout.designspace')
@@ -831,7 +831,7 @@ class InterpolateLayoutTest(unittest.TestCase):
         instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
 
         tables = ['GPOS']
-        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_7_diff.ttx')
+        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_diff.ttx')
         self.expect_ttx(instfont, expected_ttx_path, tables)
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
 
diff --git a/Tests/varLib/stat_test.py b/Tests/varLib/stat_test.py
new file mode 100644
index 00000000..6aa88a05
--- /dev/null
+++ b/Tests/varLib/stat_test.py
@@ -0,0 +1,167 @@
+from pathlib import Path
+
+import pytest
+from fontTools.designspaceLib import DesignSpaceDocument
+from fontTools.designspaceLib.split import Range
+from fontTools.varLib.stat import getStatAxes, getStatLocations
+
+
+@pytest.fixture
+def datadir():
+    return Path(__file__).parent / "../designspaceLib/data"
+
+
+def test_getStatAxes(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5.designspace")
+
+    assert getStatAxes(
+        doc, {"Italic": 0, "width": Range(50, 150), "weight": Range(200, 900)}
+    ) == [
+        {
+            "values": [
+                {
+                    "flags": 0,
+                    "name": {
+                        "de": "Extraleicht",
+                        "en": "Extra Light",
+                        "fr": "Extra léger",
+                    },
+                    "nominalValue": 200.0,
+                    "rangeMaxValue": 250.0,
+                    "rangeMinValue": 200.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Light"},
+                    "nominalValue": 300.0,
+                    "rangeMaxValue": 350.0,
+                    "rangeMinValue": 250.0,
+                },
+                {
+                    "flags": 2,
+                    "name": {"en": "Regular"},
+                    "nominalValue": 400.0,
+                    "rangeMaxValue": 450.0,
+                    "rangeMinValue": 350.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Semi Bold"},
+                    "nominalValue": 600.0,
+                    "rangeMaxValue": 650.0,
+                    "rangeMinValue": 450.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Bold"},
+                    "nominalValue": 700.0,
+                    "rangeMaxValue": 850.0,
+                    "rangeMinValue": 650.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Black"},
+                    "nominalValue": 900.0,
+                    "rangeMaxValue": 900.0,
+                    "rangeMinValue": 850.0,
+                },
+            ],
+            "name": {"en": "Wéíght", "fa-IR": "قطر"},
+            "ordering": 2,
+            "tag": "wght",
+        },
+        {
+            "values": [
+                {"flags": 0, "name": {"en": "Condensed"}, "value": 50.0},
+                {"flags": 3, "name": {"en": "Normal"}, "value": 100.0},
+                {"flags": 0, "name": {"en": "Wide"}, "value": 125.0},
+                {
+                    "flags": 0,
+                    "name": {"en": "Extra Wide"},
+                    "nominalValue": 150.0,
+                    "rangeMinValue": 150.0,
+                },
+            ],
+            "name": {"en": "width", "fr": "Chasse"},
+            "ordering": 1,
+            "tag": "wdth",
+        },
+        {
+            "values": [
+                {"flags": 2, "linkedValue": 1.0, "name": {"en": "Roman"}, "value": 0.0},
+            ],
+            "name": {"en": "Italic"},
+            "ordering": 3,
+            "tag": "ital",
+        },
+    ]
+
+    assert getStatAxes(doc, {"Italic": 1, "width": 100, "weight": Range(400, 700)}) == [
+        {
+            "values": [
+                {
+                    "flags": 2,
+                    "name": {"en": "Regular"},
+                    "nominalValue": 400.0,
+                    "rangeMaxValue": 450.0,
+                    "rangeMinValue": 350.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Semi Bold"},
+                    "nominalValue": 600.0,
+                    "rangeMaxValue": 650.0,
+                    "rangeMinValue": 450.0,
+                },
+                {
+                    "flags": 0,
+                    "name": {"en": "Bold"},
+                    "nominalValue": 700.0,
+                    "rangeMaxValue": 850.0,
+                    "rangeMinValue": 650.0,
+                },
+            ],
+            "name": {"en": "Wéíght", "fa-IR": "قطر"},
+            "ordering": 2,
+            "tag": "wght",
+        },
+        {
+            "values": [
+                {"flags": 3, "name": {"en": "Normal"}, "value": 100.0},
+            ],
+            "name": {"en": "width", "fr": "Chasse"},
+            "ordering": 1,
+            "tag": "wdth",
+        },
+        {
+            "values": [
+                {"flags": 0, "name": {"en": "Italic"}, "value": 1.0},
+            ],
+            "name": {"en": "Italic"},
+            "ordering": 3,
+            "tag": "ital",
+        },
+    ]
+
+
+def test_getStatLocations(datadir):
+    doc = DesignSpaceDocument.fromfile(datadir / "test_v5.designspace")
+
+    assert getStatLocations(
+        doc, {"Italic": 0, "width": Range(50, 150), "weight": Range(200, 900)}
+    ) == [
+        {
+            "flags": 0,
+            "location": {"ital": 0.0, "wdth": 50.0, "wght": 300.0},
+            "name": {"en": "Some Style", "fr": "Un Style"},
+        },
+    ]
+    assert getStatLocations(
+        doc, {"Italic": 1, "width": Range(50, 150), "weight": Range(200, 900)}
+    ) == [
+        {
+            "flags": 0,
+            "location": {"ital": 1.0, "wdth": 100.0, "wght": 700.0},
+            "name": {"en": "Other"},
+        },
+    ]