Ported tojson filter. Fixes #458

1 files changed, 12 insertions, 0 deletions

diff --git a/docs/api.rst b/docs/api.rst
index 107acd65..8bf0fdfe 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -565,6 +565,18 @@ Example::
     The default target that is issued for links from the `urlize` filter
     if no other target is defined by the call explicitly.
 
+``json.dumps_function``:
+    If this is set to a value other than `None` then the `tojson` filter
+    will dump with this function instead of the default one.  Note that
+    this function should accept arbitrary extra arguments which might be
+    passed in the future from the filter.  Currently the only argument
+    that might be passed is `indent`.  The default dump function is
+    ``json.dumps``.
+
+``json.dumps_kwargs``:
+    Keyword arguments to be passed to the dump function.  The default is
+    ``{'sort_keys': True}``.
+
 
 Utilities
 ---------