shortuser should stop before the first space character.
Examples:
"Foo Bar <foo.bar AT example DOT com>" -> "foo.bar"
(instead of "foo.bar AT example DOT com>" as it was before.)
"Foo Bar" -> "Foo"
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<a class="title" href="?cmd=changeset;node=#node#;style=gitweb"><span class="age">#date|age# ago</span>#desc|strip|firstline|escape#</a>
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<div class="title_text">
<div class="log_link">
<a href="?cmd=changeset;node=#node#;style=gitweb">changeset</a><br/>
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<i>#author|obfuscate# [#date|rfc822date#] rev #rev#</i><br/>
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<div class="log_body">
#desc|strip|escape|addbreaks#
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