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<h1>22. Virtuoso Functions Guide - normalize-space</h1>
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<div id="text">
<h2>normalize-space</h2>
<div class="refpurpose">Returns the argument string with whitespace normalized.</div>
<div class="funcsynopsis">
<span class="funcdef">string <span class="function">normalize-space</span>
</span>
(<span class="paramdefoptional">[<span class="optional">strg</span> string]</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>
The function returns the argument string with whitespace
normalized by stripping leading and trailing whitespace and
replacing sequences of whitespace characters by a single space.
Whitespace characters are the same as those allowed by the S production in XML,
i.e. space (#x20), carriage returns (#xD), line feeds (#xA), and tabs (#x9).
If the argument is omitted, it defaults to the context node converted to a string,
in other words the string-value of the context node.
</p>
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<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">strg – </span>
A string to be normalized</div>
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<div class="refsect1title">Return Types</div>
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<pre class="screen">normalize-space(' too many spaces ')</pre>
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<a href="xpf_replace.html">replace()</a>
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