util.opener: if requested, use atomicfile even if the file doesn't exist
Right now, surprisingly enough, if you request an atomic file but the
file still doesn't exist, you get a regular file. AFAICS, the only time
this happens is during the initial creation of the dirstate.
<table class="slogEntry parity#parity#">
<tr>
<td class="age">#date|age#</td>
<td class="author">#author|obfuscate#</td>
<td class="node"><a href="#url#rev/#node|short#{sessionvars%urlparameter}">#desc|strip|firstline|escape#</a></td>
</tr>
</table>