diff -r 55ac8006880f -r dfab0afde928 mercurial/help.py
--- a/mercurial/help.py	Mon Dec 14 06:00:32 2015 +0000
+++ b/mercurial/help.py	Mon Dec 14 05:29:55 2015 +0000
@@ -143,6 +143,8 @@
                     cmddoc = gettext(entry[0].__doc__).splitlines()[0]
                 else:
                     cmddoc = _('(no help text available)')
+                if filtercmd(ui, cmdname, kw, cmddoc):
+                    continue
                 results['extensioncommands'].append((cmdname, cmddoc))
     return results