 following only the first parents.  I.e. <em>&lt;rev&gt;~3</em> is
equivalent to <em>&lt;rev&gt;^^^</em> which is equivalent to
<em>&lt;rev&gt;^1^1^1</em>.  See below for an illustration of
the usage of this form.</p>
</dd>
<dt class="hdlist1"><em>&lt;rev&gt;^\{&lt;type&gt;\}</em>, e.g. <em>v0.99.8^{commit}</em></dt>
<dd>
<p>A suffix <em>^</em> followed by an object type name enclosed in
brace pair means dereference the object at <em>&lt;rev&gt;</em> recursively until
an object of type <em>&lt;type