ref: d03eb1a183d27c8f3dac40cf2c5493fae215551a
dir: /sys/lib/python/mercurial/templates/paper/filelogentry.tmpl/
 <tr class="parity{parity}">
  <td class="age">{date|age}</td>
  <td class="author">{author|person}</td>
  <td class="description"><a href="{url}rev/{node|short}{sessionvars%urlparameter}">{desc|strip|firstline|escape|nonempty}</a>{inbranch%changelogbranchname}{branches%changelogbranchhead}{tags%changelogtag}</td>
 </tr>