branch</a>'s changes that happen to be a descendant of what
you have. In such a case, you do not make a new <a href="#def_merge">merge</a>
<a href="#def_commit">commit</a> but instead just update to his
revision. This will happen frequently on a
<a href="#def_remote_tracking_branch">remote-tracking branch</a> of a remote
<a href="#def_repository">repository</a>.</p>
</dd>
<dt class="hdlist1"><a id="def_fetch"></a>fetch</dt>
<dd>
<p>Fetching a <a href="#def_branch">branch</a> means to get the
branch&#8217;s 