templates/atom/changelogentry.tmpl

write options in "-r/--rev" style in help texts

 <entry>
  <title>#desc|strip|firstline|strip|escape|nonempty#</title>
  <id>{urlbase}{url}#changeset-{node}</id>
  <link href="{urlbase}{url}rev/{node}"/>
  <author>
   <name>#author|person|escape#</name>
   <email>#author|email|obfuscate#</email>
  </author>
  <updated>#date|rfc3339date#</updated>
  <published>#date|rfc3339date#</published>
  <content type="xhtml">
   <div xmlns="http://www.w3.org/1999/xhtml">
    <pre xml:space="preserve">#desc|escape|nonempty#</pre>
   </div>
  </content>
 </entry>