lfs-book/stylesheets/lfs-xsl/docbook-xsl-1.78.1/params/page.orientation.xml

<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="page.orientation">
<refmeta>
<refentrytitle>page.orientation</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">list</refmiscinfo>
<refmiscinfo class="other" otherclass="value">portrait</refmiscinfo>
<refmiscinfo class="other" otherclass="value">landscape</refmiscinfo>
</refmeta>
<refnamediv>
<refname>page.orientation</refname>
<refpurpose>Select the page orientation</refpurpose>
</refnamediv>

<refsynopsisdiv>
<src:fragment xml:id="page.orientation.frag">
<xsl:param name="page.orientation">portrait</xsl:param>
</src:fragment>
</refsynopsisdiv>

<refsection><info><title>Description</title></info>

<para> Select one from portrait or landscape.
In portrait orientation, the short edge is horizontal; in
landscape orientation, it is vertical.
</para>

</refsection>
</refentry>