diffhelpers: handle CRLF in hunk last line without EOL
Note that diff generation code always ends last lines without newline with a
LF, so this is a tolerance.
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<p class="p1"><b>Before you install</b></p>
<p class="p2"><br></p>
<p class="p3">This is an OS X 10.5 version of Mercurial that depends on the default Python 2.5 installation.</p>
<p class="p2"><br></p>
<p class="p1"><b>After you install</b></p>
<p class="p2"><br></p>
<p class="p3">This package installs the <span class="s2">hg</span> executable in <span class="s2">/usr/local/bin</span> and the Mercurial files in <span class="s2">/Library/Python/2.5/site-packages/mercurial.</span></p>
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<p class="p1"><b>Documentation</b></p>
<p class="p2"><br></p>
<p class="p3">Visit the <a href="http://mercurial.selenic.com/">Mercurial web site and wiki</a></p>
<p class="p2"><br></p>
<p class="p3">There's also a free book, <a href="http://hgbook.red-bean.com/">Distributed revision control with Mercurial</a></p>
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<p class="p1"><b>Reporting problems</b></p>
<p class="p2"><br></p>
<p class="p3">If you run into any problems, please file a bug online:</p>
<p class="p3"><a href="http://mercurial.selenic.com/bts/">http://mercurial.selenic.com/bts/</a></p>
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