extdiff: un-nested two functions
The functions in extdiff that create temporary repo copies for are useful in other extensions, so the change moves them at the module level.
<table class="logEntry parity#parity#">
<tr>
<th class="age">#date|age# ago:</th>
<th class="firstline"><a href="#url#rev/#node|short#{sessionvars%urlparameter}">#desc|strip|firstline|escape#</a></th>
</tr>
<tr>
<th class="revision">revision #filerev#:</td>
<td class="node">
<a href="#url#file/#node|short#/#file|urlescape#{sessionvars%urlparameter}">#node|short#</a>
<a href="#url#diff/#node|short#/#file|urlescape#{sessionvars%urlparameter}">(diff)</a>
<a href="#url#annotate/#node|short#/#file|urlescape#{sessionvars%urlparameter}">(annotate)</a>
</td>
</tr>
#rename%filelogrename#
<tr>
<th class="author">author:</th>
<td class="author">#author|obfuscate#</td>
</tr>
<tr>
<th class="date">date:</th>
<td class="date">#date|date#</td>
</tr>
</table>