1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/fontTools/feaLib/lookupDebugInfo.py b/Lib/fontTools/feaLib/lookupDebugInfo.py
new file mode 100644
index 00000000..3b711f64
--- /dev/null
+++ b/Lib/fontTools/feaLib/lookupDebugInfo.py
@@ -0,0 +1,10 @@
+from typing import NamedTuple
+
+LOOKUP_DEBUG_INFO_KEY = "com.github.fonttools.feaLib"
+
+class LookupDebugInfo(NamedTuple):
+    """Information about where a lookup came from, to be embedded in a font"""
+
+    location: str
+    name: str
+    feature: list