Fix copy detection corner case We were aborting if the copied from rev was before the cut-off limit, rather than the copied _to_ rev. The copied from rev can be arbitrarily old.

<div class="page_footer">
<div class="page_footer_text">#repo|escape#</div>
<a class="rss_logo" href="#url#rss-log">RSS</a>
<br />
#motd#
</div>
</body>
</html>