1 <refentry xmlns="http://docbook.org/ns/docbook"
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2 xmlns:xlink="http://www.w3.org/1999/xlink"
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3 xmlns:xi="http://www.w3.org/2001/XInclude"
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4 xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
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5 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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6 version="5.0" xml:id="points.per.em">
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8 <refentrytitle>points.per.em</refentrytitle>
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9 <refmiscinfo class="other" otherclass="datatype">number</refmiscinfo>
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12 <refname>points.per.em</refname>
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13 <refpurpose>Specify the nominal size of an em-space in points</refpurpose>
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17 <src:fragment xml:id="points.per.em.frag">
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18 <xsl:param name="points.per.em">10</xsl:param>
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22 <refsection><info><title>Description</title></info>
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24 <para>The fixed value used for calculations based upon the size of a
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25 character. The assumption made is that ten point font is in use. This
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26 assumption may not be valid.</para>
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