tations">Provided implementations</dt>
<dd>

<p>Implementations from a provider are displayed like this if the implementation is labeled with a single name:</p>

<pre><code>foo @ bar</code></pre>

<p>or like this if it&#39;s labeled with multiple names:</p>

<pre><code>{ foo1, foo2 } @bar</code></pre>

<p>In both cases, <code>bar</code> is the name of the provider.</p>

</dd>
</dl>

<h1 id="HISTORY">HISTORY</h1>

<p>The <b>-engines</b>, <b>-digest-commands</b>, and <b>-cipher-commands</b> options were depre