er integration branches e.g. <code>maint</code>, <code>next</code>
and <code>pu</code> (potential updates).</p>
</li>
<li>
<p>read mails, save ones that are applicable, and save others
that are not quite ready (other mail readers are available).</p>
</li>
<li>
<p>apply them, interactively, with your sign-offs.</p>
</li>
<li>
<p>create topic branch as needed and apply, again with sign-offs.</p>
</li>
<li>
<p>rebase internal topic branch that has not been merged to the
master or exposed as a pa