Ticket #962: register_filter_fix_r1496.diff

django/core/template/__init__.py

@@ -828 +828 @@
         elif name != None and filter_func != None:
             # register.filter('somename', somefunc)
             self.filters[name] = filter_func
+            return filter_func
         else:
             raise InvalidTemplateLibrary, "Unsupported arguments to Library.filter: (%r, %r, %r)", (name, compile_function, has_arg)