<a href="#def_parent">parents</a>, committer,
author, date and the <a href="#def_tree_object">tree object</a> which corresponds
to the top <a href="#def_directory">directory</a> of the stored
revision.</p>
</dd>
<dt class="hdlist1"><a id="def_commit-ish"></a>commit-ish (also committish)</dt>
<dd>
<p>A <a href="#def_commit_object">commit object</a> or an
<a href="#def_object">object</a> that can be recursively dereferenced to
a commit object.
The following are all commit-ishes:
a commit object,
a <a href="#d