<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:src="http://nwalsh.com/xmlns/litprog/fragment" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="5.0" xml:id="pixels.per.inch"> <refmeta> <refentrytitle>pixels.per.inch</refentrytitle> <refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo> </refmeta> <refnamediv> <refname>pixels.per.inch</refname> <refpurpose>How many pixels are there per inch?</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="pixels.per.inch.frag"> <xsl:param name="pixels.per.inch">90</xsl:param> </src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>When lengths are converted to pixels, this value is used to determine the size of a pixel. The default value is taken from the <link xlink:href="http://www.w3.org/TR/2004/WD-xsl11-20041216/">XSL Recommendation</link>. </para> </refsection> </refentry>