Don't allow --style and --template for hg update and hg merge.
The only way that changesets will be shown with these command is in an error
message when trying to update to an ambiguous branch name.
#header#
<title>#repo|escape#: changelog</title>
<link rel="alternate" type="application/rss+xml"
href="?cmd=changelog;style=rss" title="RSS feed for #repo|escape#">
</head>
<body>
<div class="buttons">
<a href="?cmd=tags">tags</a>
<a href="?mf=#manifest|short#;path=/">manifest</a>
<a type="application/rss+xml" href="?style=rss">rss</a>
</div>
<h2>changelog for #repo|escape#</h2>
<form action="#">
<p>
<label for="search1">search:</label>
<input type="hidden" name="cmd" value="changelog">
<input name="rev" id="search1" type="text" size="30">
navigate: <small class="navigate">#changenav%naventry#</small>
</p>
</form>
#entries%changelogentry#
<form action="#">
<p>
<label for="search2">search:</label>
<input type="hidden" name="cmd" value="changelog">
<input name="rev" id="search2" type="text" size="30">
navigate: <small class="navigate">#changenav%naventry#</small>
</p>
</form>
#footer#