Ticket #7460: cache_replace_space_with_underscore.diff

a/django/templatetags/cache.py

@@ -16 +16 @@
-        # Build a unicode key for this fragment and all vary-on's.
-        cache_key = u':'.join([self.fragment_name] + \
-            [force_unicode(resolve_variable(var, context)) for var in self.vary_on])
+        cache_key = cache_key.replace(" ", "_")
-        value = cache.get(cache_key)
-        if value is None:
-            value = self.nodelist.render(context)