<refentry id="saxon.linenumbering"> <refmeta> <refentrytitle>saxon.linenumbering</refentrytitle> <refmiscinfo role="type">boolean</refmiscinfo> </refmeta> <refnamediv> <refname>saxon.linenumbering</refname> <refpurpose>Enable the line numbering extension</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment id='saxon.linenumbering.frag'><xsl:param name="saxon.linenumbering" select="'1'"/></src:fragment> </refsynopsisdiv> <refsect1><title>Description</title> <para>If true, verbatim environments (elements that have the format='linespecific' notation attribute: address, literallayout, programlisting, screen, synopsis) that specify line numbering will have, surprise, line numbers. </para> </refsect1> </refentry>