mmit_object">commit object</a> contains a (possibly empty) list
of the logical predecessor(s) in the line of development, i.e. its
parents.</p>
</dd>
<dt class="hdlist1"><a id="def_pickaxe"></a>pickaxe</dt>
<dd>
<p>The term <a href="#def_pickaxe">pickaxe</a> refers to an option to the diffcore
routines that help select changes that add or delete a given text
string. With the <code>--pickaxe-all</code> option, it can be used to view the full
<a href="#def_changeset">changeset</a> that introduced or removed, 