monoblue: port code selection without line numbers from gitweb
This is adapted from 2239626369f5.
It also fixes issue4790 in monoblue; tab characters now have meaningful width on
the modified pages (file view, file diff, changeset).
{header}
<title>{repo|escape}: changeset {rev}:{node|short}</title>
<link rel="alternate" type="application/atom+xml" href="{url|urlescape}atom-log" title="Atom feed for {repo|escape}"/>
<link rel="alternate" type="application/rss+xml" href="{url|urlescape}rss-log" title="RSS feed for {repo|escape}"/>
</head>
<body>
<div id="container">
<div class="page-header">
<h1 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb} / changeset</h1>
<form action="{url|urlescape}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|urlescape}summary{sessionvars%urlparameter}">summary</a></li>
<li><a href="{url|urlescape}shortlog{sessionvars%urlparameter}">shortlog</a></li>
<li><a href="{url|urlescape}changelog{sessionvars%urlparameter}">changelog</a></li>
<li><a href="{url|urlescape}graph/{symrev}{sessionvars%urlparameter}">graph</a></li>
<li><a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a></li>
<li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
<li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
<li><a href="{url|urlescape}file/{symrev}{sessionvars%urlparameter}">files</a></li>
<li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
</ul>
</div>
<ul class="submenu">
<li class="current">changeset</li>
<li><a href="{url|urlescape}raw-rev/{symrev}">raw</a></li>
{archives%archiveentry}
</ul>
<h2 class="no-link no-border">changeset</h2>
<h3 class="changeset"><a href="{url|urlescape}raw-rev/{node|short}">{desc|strip|escape|firstline|nonempty} <span class="logtags">{inbranch%inbranchtag}{branches%branchtag}{tags%tagtag}{bookmarks%bookmarktag}</span></a></h3>
<p class="changeset-age"><span class="age">{date|rfc822date}</span></p>
<dl class="overview">
<dt>author</dt>
<dd>{author|obfuscate}</dd>
<dt>date</dt>
<dd>{date|rfc822date}</dd>
{branch%changesetbranch}
<dt>changeset {rev}</dt>
<dd><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></dd>
{ifeq(count(parent), '2', parent%changesetparentdiff, parent%changesetparent)}
{child%changesetchild}
</dl>
<p class="description">{desc|strip|escape|websub|addbreaks|nonempty}</p>
<table>
{files}
</table>
<div class="diff diffblocks">
{diff}
</div>
{footer}