Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/activate.external.olinks.xml

Index: third_party/docbook-xsl-1.78.0/params/activate.external.olinks.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/activate.external.olinks.xml b/third_party/docbook-xsl-1.78.0/params/activate.external.olinks.xml
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--- a/third_party/docbook-xsl-1.78.0/params/activate.external.olinks.xml
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-<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="activate.external.olinks">
-<refmeta>
-<refentrytitle>activate.external.olinks</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>activate.external.olinks</refname>
-<refpurpose>Make external olinks into active links</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="activate.external.olinks.frag">
-<xsl:param name="activate.external.olinks" select="1"/>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>If <parameter>activate.external.olinks</parameter> is nonzero
-(the default), then any olinks that reference another document
-become active links that can be clicked on to follow the link.
-If the parameter is set to zero, then external olinks
-will have the appropriate link text generated, but the link is
-not made active.  Olinks to destinations in
-the current document remain active.</para>
-
-<para>To make an external olink active for HTML
-outputs, the link text is wrapped in an <tag>a</tag>
-element with an <tag>href</tag> attribute. To
-make an external olink active for FO outputs, the link text is
-wrapped in an <tag>fo:basic-link</tag> element with an
-<tag>external-destination</tag> attribute.</para>
-
-<para>This parameter is useful when you need external olinks
-to resolve but not be clickable. For example, if documents
-in a collection are available independently of each other,
-then having active links between them could lead to
-unresolved links when a given target document is missing.</para>
-
-<para>The epub stylesheets set this parameter to zero by default
-because there is no standard linking mechanism between Epub documents.</para>
-
-<para>If external links are made inactive, you should
-consider setting the
-stylesheet parameter <parameter>olink.doctitle</parameter>
-to <literal>yes</literal>. That will append the external document's
-title to the link text, making it easier for the user to
-locate the other document.</para>
-
-<para>An olink is considered external when the
-<parameter>current.docid</parameter> stylesheet parameter
-is set to some value, and the olink's <tag>targetdoc</tag>
-attribute has a different value. If the two values
-match, then the link is considered internal.  If the
-<parameter>current.docid</parameter> parameter is blank, or
-the <tag>olink</tag> element does not have a <tag>targetdoc</tag> attribute,
-then the link is considered to be internal and will become
-an active link.</para>
-
-<para>See also <parameter>olink.doctitle</parameter>,
-<parameter>prefer.internal.olink</parameter>.</para>
-
-</refsection>
-</refentry>