e encoding is unspecified, UTF-8 is preferred as
some output processing may assume ref names in UTF-8.</p>
</div>
</li>
</ol>
</div>
</dd>
<dt class="hdlist1"><em>@</em></dt>
<dd>
<p><em>@</em> alone is a shortcut for <em>HEAD</em>.</p>
</dd>
<dt class="hdlist1"><em>&lt;refname&gt;@\{&lt;date&gt;\}</em>, e.g. <em>master@{yesterday}</em>, <em>HEAD@\{5 minutes ago\}</em></dt>
<dd>
<p>A ref followed by the suffix <em>@</em> with a date specification
enclosed in a brace
pair (e.g. <em>{yesterday}