lfs-book/stylesheets/lfs-xsl/docbook-xsl-1.78.1/params/callout.unicode.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="callout.unicode">
<refmeta>
<refentrytitle>callout.unicode</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>callout.unicode</refname>
<refpurpose>Use Unicode characters rather than images for callouts.</refpurpose>
</refnamediv>

<refsynopsisdiv>
<src:fragment xml:id="callout.unicode.frag"><xsl:param name="callout.unicode" select="0"/></src:fragment>
</refsynopsisdiv>

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

<para>The stylesheets can use either an image of the numbers one to ten, or the single Unicode character which represents the numeral, in white on a black background. Use this to select the Unicode character option.
</para>

</refsection>
</refentry>