Disallow = in unquoted attributes, and allow <. The latter necessitates changing one serializer test (removing the quotes from the expected output).

gsnedders · gsnedders · commit 40d23d64851d · 2008-06-03T21:29:48.000Z
--HG--
extra : convert_revision : svn%3Aacbfec75-9323-0410-a652-858a13e371e0/trunk%401163
diff --git a/src/html5lib/serializer/htmlserializer.py b/src/html5lib/serializer/htmlserializer.py
@@ -147,7 +147,7 @@ def serialize(self, treewalker, encoding=None):
                             quote_attr = True
                         else:
                             quote_attr = reduce(lambda x,y: x or (y in v),
-                                spaceCharacters + "<>\"'", False)
+                                spaceCharacters + ">\"'=", False)
                         v = v.replace("&", "&amp;")
                         if self.escape_lt_in_attrs: v = v.replace("<", "&lt;")
                         if encoding:
