Hide debug commands in ambiguous command list, unless no normal command matches.
This will execute diff if 'hg d' is typed and hide rawcommit on 'hg r'.
Based on a patch by TK Soh.
#header#
<title>#repo|escape#: #file|escape# history</title>
<description>#file|escape# revision history</description>
#entries%filelogentry#
</channel>
</rss>