each revision.
Those filters can modify each tree (e.g. removing a file or running
a perl rewrite on all files) or information about each commit.
Otherwise, all information (including original commit times or merge
information) will be preserved.</p>
</div>
<div class="paragraph">
<p>The command will only rewrite the <em>positive</em> refs mentioned in the
command line (e.g. if you pass <em>a..b</em>, only <em>b</em> will be rewritten).
If you specify no filters, the commits will be recommitted without any
