49 lines
2 KiB
XML
49 lines
2 KiB
XML
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<refentry xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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version="5.0" xml:id="refentry.manual.fallback.profile">
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<refmeta>
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<refentrytitle>refentry.manual.fallback.profile</refentrytitle>
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<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>refentry.manual.fallback.profile</refname>
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<refpurpose>Specifies profile of "fallback" for refentry "manual" data</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<src:fragment xml:id="refentry.manual.fallback.profile.frag">
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<xsl:param name="refentry.manual.fallback.profile">
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refmeta/refmiscinfo[not(@class = 'date')][1]/node()</xsl:param>
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</src:fragment>
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</refsynopsisdiv>
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<refsection><info><title>Description</title></info>
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<para>The value of
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<parameter>refentry.manual.fallback.profile</parameter> is a string
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representing an XPath expression. It is evaluated at run-time and
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used only if no "manual" data can be found by other means (that is,
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either using the <tag>refentry</tag> metadata-gathering logic "hard
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coded" in the stylesheets, or the value of
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<parameter>refentry.manual.profile</parameter>, if it is
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enabled).</para>
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<important>
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<para>Depending on which XSLT engine you run, either the EXSLT
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<function>dyn:evaluate</function> extension function (for xsltproc or
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Xalan) or <function>saxon:evaluate</function> extension function (for
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Saxon) are used to dynamically evaluate the value of
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<parameter>refentry.manual.fallback.profile</parameter> at
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run-time. If you don't use xsltproc, Saxon, Xalan -- or some other
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XSLT engine that supports <function>dyn:evaluate</function> -- you
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must manually disable fallback processing by setting an empty value
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for the <parameter>refentry.manual.fallback.profile</parameter>
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parameter.</para>
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</important>
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</refsection>
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</refentry>
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