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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>length-units</title><link rel="stylesheet" type="text/css" href="../reference.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="../index.html" title="DocBook XSL Stylesheets: ReferenceDocumentation"><link rel="up" href="generallibrary.html" title="General Library Templates"><link rel="prev" href="length-magnitude.html" title="length-magnitude"><link rel="next" href="length-spec.html" title="length-spec"><link rel="copyright" href="copyright.html" title="License"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">length-units</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="length-magnitude.html">Prev</a></td><th width="60%" align="center">General Library Templates</th><td width="20%" align="right"><a accesskey="n" href="length-spec.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="length-units"></a><div class="titlepage"></div>
<div class="refnamediv"><h2>length-units</h2><p>
length-units
— Return the units from a length specification
</p></div>
<div class="refsect1"><a name="idp9528112"></a><h2>Description</h2>
<p>The <code class="function">length-units</code> template returns the
units ("pt" for "20pt") from a length. If no units are supplied on the
length, the <em class="parameter"><code>defauilt.units</code></em> are returned.</p>
<a name="length-units.frag"></a><pre class="programlisting">
<xsl:template name="length-units">
<xsl:param name="length" select="'0pt'"></xsl:param>
<xsl:param name="default.units" select="'px'"></xsl:param>
<xsl:variable name="magnitude">
<xsl:call-template name="length-magnitude">
<xsl:with-param name="length" select="$length"></xsl:with-param>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="units">
<xsl:value-of select="substring($length, string-length($magnitude)+1)"></xsl:value-of>
</xsl:variable>
<xsl:choose>
<xsl:when test="$units = ''">
<xsl:value-of select="$default.units"></xsl:value-of>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$units"></xsl:value-of>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</pre>
</div>
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