length-magnitude
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## length-magnitude

length-magnitude — Return the unqualified dimension from a length specification

## Description

The `length-magnitude` template returns the unqualified length ("20" for "20pt") from a dimension.

    <xsl:template name="length-magnitude">
      <xsl:param name="length" select="'0pt'"></xsl:param>

      <xsl:choose>
        <xsl:when test="string-length($length) = 0"></xsl:when>
        <xsl:when test="substring($length,1,1) = '0'                     or substring($length,1,1) = '1'                     or substring($length,1,1) = '2'                     or substring($length,1,1) = '3'                     or substring($length,1,1) = '4'                     or substring($length,1,1) = '5'                     or substring($length,1,1) = '6'                     or substring($length,1,1) = '7'                     or substring($length,1,1) = '8'                     or substring($length,1,1) = '9'                     or substring($length,1,1) = '.'">
          <xsl:value-of select="substring($length,1,1)"></xsl:value-of>
          <xsl:call-template name="length-magnitude">
            <xsl:with-param name="length" select="substring($length,2)"></xsl:with-param>
          </xsl:call-template>
        </xsl:when>
      </xsl:choose>
    </xsl:template>

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