Further help improvements:
Show command aliases in 'hg help something', unless in quiet mode.
Show short command description with 'hg help -q something'.
Show global options in verbose mode of command help.
State that Mercurial is a Distributed SCM.
#header#
<title>#repo|escape#: #file# history</title>
<description>#file# revision history</description>
#entries#
</channel>
</rss>