 for a list of currently defined keywords.</p>
</div>
<div class="paragraph">
<p>Supported if the helper has the "fetch" or "import" capability.</p>
</div>
</dd>
<dt class="hdlist1"><em>list for-push</em></dt>
<dd>
<p>Similar to <em>list</em>, except that it is used if and only if
the caller wants to the resulting ref list to prepare
push commands.
A helper supporting both push and fetch can use this
to distinguish for which operation the output of <em>list</em>
is going to be used, possibly reducing the am