atim</code>, <code>scissors</code> or <code>default</code>.</p>
<div class="openblock">
<div class="content">
<div class="dlist">
<dl>
<dt class="hdlist1">strip</dt>
<dd>
<p>Strip leading and trailing empty lines, trailing whitespace,
commentary and collapse consecutive empty lines.</p>
</dd>
<dt class="hdlist1">whitespace</dt>
<dd>
<p>Same as <code>strip</code> except #commentary is not removed.</p>
</dd>
<dt class="hdlist1">verbatim</dt>
<dd>
<p>Do not change the message at all.</p>
</dd>
<dt class="hdlis