e, etc.)
it should retain any signature. That is not the case, signatures will always
be removed, buyer beware. There is also no support for changing the
author or timestamp (or the tag message for that matter). Tags which point
to other tags will be rewritten to point to the underlying commit.</p>
</div>
</dd>
<dt class="hdlist1">--prune-empty</dt>
<dd>
<p>Some filters will generate empty commits that leave the tree untouched.
This option instructs git-filter-branch to remove such commits if they
have exac