 once to get to an object.</p>
</div>
<div class="paragraph">
<p><em>&lt;rev&gt;^{tag}</em> can be used to ensure that <em>&lt;rev&gt;</em> identifies an
existing tag object.</p>
</div>
</dd>
<dt class="hdlist1"><em>&lt;rev&gt;^{}</em>, e.g. <em>v0.99.8^{}</em></dt>
<dd>
<p>A suffix <em>^</em> followed by an empty brace pair
means the object could be a tag,
and dereference the tag recursively until a non-tag object is
found.</p>
</dd>
<dt class="hdlist1"><em>&lt;rev&gt;^{/&lt;text&gt;}</em>, e.g. <em>HEAD^{