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		<h1>Open Power Template 2.0</h1>
		<h2>opt:single</h2>
		<p class="generated">@ 02.09.2010</p>
		<p class="location"><a href="index.html"><strong>User manual</strong></a> &raquo; <a href="syntax.html">Template syntax</a> &raquo; <a href="syntax.attributes.html">OPT attributes</a> &raquo; <a href="syntax.attributes.single.html">opt:single</a></p>
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	<div id="content"><dl class="location"><dt><a href="syntax.attributes.html">3.8. OPT attributes</a><br/>3.8.10. opt:single</dt><dd class="prev">3.8.9. opt:selector<br/><a href="syntax.attributes.selector.html">&laquo; Previous</a></dd><dd class="next">3.8.11. opt:use<br/><a href="syntax.attributes.use.html">Next &raquo;</a></dd></dl>	<h1>3.8.10. opt:single</h1><p>The attribute creates a single tag, causing its content to be lost. Its purpose is to close properly the HTML tags that are naturally single, like <code>&lt;img&gt;</code> in case we had to use some OPT instructions to perform some operations on them. Below, you can find an example:</p>

<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;img</span> <span style="color: #000066;">src</span>=<span style="color: #ff0000;">&quot;image.png&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
    <span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;opt:attribute</span> <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;$imgExtraAttrName&quot;</span> <span style="color: #000066;">value</span>=<span style="color: #ff0000;">&quot;$imgExtraValue&quot;</span> <span style="color: #000000; font-weight: bold;">/&gt;</span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/img<span style="color: #000000; font-weight: bold;">&gt;</span></span></span></pre>

<p>OPT will produce the following output for it:</p>

<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;img</span> <span style="color: #000066;">src</span>=<span style="color: #ff0000;">&quot;image.png&quot;</span> <span style="color: #000066;">someAttribute</span>=<span style="color: #ff0000;">&quot;someValue&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/img<span style="color: #000000; font-weight: bold;">&gt;</span></span></span></pre>

<p>With <code>opt:single</code> we may force to create a single tag here and omit the content.</p>

<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;img</span> <span style="color: #000066;">src</span>=<span style="color: #ff0000;">&quot;image.png&quot;</span> <span style="color: #000066;">opt:single</span>=<span style="color: #ff0000;">&quot;yes&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
    <span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;opt:attribute</span> <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;$imgExtraAttrName&quot;</span> <span style="color: #000066;">value</span>=<span style="color: #ff0000;">&quot;$imgExtraValue&quot;</span> <span style="color: #000000; font-weight: bold;">/&gt;</span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/img<span style="color: #000000; font-weight: bold;">&gt;</span></span></span></pre>

<p>The result:</p>

<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;img</span> <span style="color: #000066;">src</span>=<span style="color: #ff0000;">&quot;image.png&quot;</span> <span style="color: #000066;">someAttribute</span>=<span style="color: #ff0000;">&quot;someValue&quot;</span> <span style="color: #000000; font-weight: bold;">/&gt;</span></span></pre>
<h4>See also:</h4><ul><li><a href="syntax.instructions.tag.html">3.7.24. opt:tag</a></li></ul><dl class="location location-bottom"><dt>3.8.10. opt:single<br/><a href="syntax.attributes.html">3.8. OPT attributes</a></dt><dd class="prev"><a href="syntax.attributes.selector.html">&laquo; Previous</a><br/>3.8.9. opt:selector</dd><dd class="next"><a href="syntax.attributes.use.html">Next &raquo;</a><br/>3.8.11. opt:use</dd></dl>		</div>
	
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