hgweb: changenav: separate pages before and after the current position
This should allow styles to customize more precisely navigation bar,
for example inserting a cursor to show where we are in the navigation bar.
{header}
<title>{repo|escape}: {file|escape}@{node|short}</title>
<link rel="alternate" type="application/atom+xml" href="{url}atom-log" title="Atom feed for {repo|escape}"/>
<link rel="alternate" type="application/rss+xml" href="{url}rss-log" title="RSS feed for {repo|escape}"/>
</head>
<body>
<div id="container">
<div class="page-header">
<h1><a href="{url}summary{sessionvars%urlparameter}">{repo|escape}</a> / file revision</h1>
<form action="{url}log">
{sessionvars%hiddenformentry}
<dl class="search">
<dt><label>Search: </label></dt>
<dd><input type="text" name="rev" /></dd>
</dl>
</form>
<ul class="page-nav">
<li><a href="{url}summary{sessionvars%urlparameter}">summary</a></li>
<li><a href="{url}shortlog{sessionvars%urlparameter}">shortlog</a></li>
<li><a href="{url}changelog{sessionvars%urlparameter}">changelog</a></li>
<li><a href="{url}graph/{node|short}{sessionvars%urlparameter}">graph</a></li>
<li><a href="{url}tags{sessionvars%urlparameter}">tags</a></li>
<li><a href="{url}branches{sessionvars%urlparameter}">branches</a></li>
<li><a href="{url}file/{node|short}{path|urlescape}{sessionvars%urlparameter}">files</a></li>
</ul>
</div>
<ul class="submenu">
<li class="current">file</li>
<li><a href="{url}log/{node|short}/{file|urlescape}{sessionvars%urlparameter}">revisions</a></li>
<li><a href="{url}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">annotate</a></li>
<li><a href="{url}diff/{node|short}/{file|urlescape}{sessionvars%urlparameter}">diff</a></li>
<li><a href="{url}raw-file/{node|short}/{file|urlescape}">raw</a></li>
</ul>
<h2 class="no-link no-border">{file|escape}@{node|short}</h2>
<h3 class="changeset">{file|escape}</h3>
<p class="changeset-age"><span>{date|age}</span></p>
<dl class="overview">
<dt>author</dt>
<dd>{author|obfuscate}</dd>
<dt>date</dt>
<dd>{date|date}</dd>
{branch%filerevbranch}
<dt>changeset {rev}</dt>
<dd><a class="list" href="{url}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></dd>
{parent%filerevparent}
{child%filerevchild}
<dt>permissions</dt>
<dd>{permissions|permissions}</dd>
</dl>
<p class="description">{desc|strip|escape|addbreaks|nonempty}</p>
<div class="source">
{text%fileline}
</div>
{footer}