help: link back to the help topics page from a specific topic page

mercurial/templates/paper/help.tmpl

@@ -21,7 +21,7 b''
 <li><a href="{url}branches{sessionvars%urlparameter}">branches</a></li>
 </ul>
 <ul>
- <li class="active">help</li>
+ <li class="active"><a href="{url}help{sessionvars%urlparameter}">help</a></li>
 </ul>
 </div>