319 lines
12 KiB
XML
319 lines
12 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
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<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl"/>
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<!--
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- The docbook stylesheet injects empty anchor tags into generated HTML, identified by an auto-generated ID.
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- Ask the docbook stylesheet to generate reproducible output when generating (these) ID values.
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- This makes the output of this stylesheet reproducible across identical invocations on the same input,
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- which is an easy and significant win for achieving reproducible builds.
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-
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- It may be even better to strip the empty anchors from the document output in addition to turning on consistent IDs,
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- for this stylesheet contains its own custom ID logic (for generating permalinks) already.
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-->
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<xsl:param name="generate.consistent.ids" select="1"/>
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<!-- translate man page references to links to html pages -->
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<xsl:template match="citerefentry[not(@project)]">
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<a>
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<xsl:attribute name="href">
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.html#</xsl:text>
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<xsl:value-of select="refentrytitle/@target"/>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='man-pages'] | citerefentry[manvolnum='2'] | citerefentry[manvolnum='4']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>http://man7.org/linux/man-pages/man</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>.html</xsl:text>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='die-net']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>http://linux.die.net/man/</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='wireguard']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>https://git.zx2c4.com/WireGuard/about/src/tools/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.</xsl:text>
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<xsl:value-of select="manvolnum"/>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='mankier']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>https://www.mankier.com/</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='archlinux']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>https://www.archlinux.org/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>.html</xsl:text>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='debian']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>https://manpages.debian.org/unstable/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>.en.html</xsl:text>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='freebsd']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>https://www.freebsd.org/cgi/man.cgi?</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>(</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>)</xsl:text>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='dbus']">
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<a>
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<xsl:attribute name="href">
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<xsl:text>http://dbus.freedesktop.org/doc/</xsl:text>
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<xsl:value-of select="refentrytitle"/>
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<xsl:text>.</xsl:text>
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<xsl:value-of select="manvolnum"/>
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<xsl:text>.html</xsl:text>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<xsl:template match="citerefentry[@project='url']">
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<a>
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<xsl:attribute name="href">
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<xsl:value-of select="refentrytitle/@url"/>
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</xsl:attribute>
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<xsl:call-template name="inline.charseq"/>
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</a>
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</xsl:template>
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<!--
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- helper template to do conflict resolution between various headings with the same inferred ID attribute/tag from the headerlink template
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- this conflict resolution is necessary to prevent malformed HTML output (multiple ID attributes with the same value)
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- and it fixes xsltproc warnings during compilation of HTML man pages
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-
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- A simple top-to-bottom numbering scheme is implemented for nodes with the same ID value to derive unique ID values for HTML output.
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- It uses two parameters:
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templateID the proposed ID string to use which must be checked for conflicts
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keyNode the context node which 'produced' the given templateID.
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-
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- Conflicts are detected solely based on keyNode, templateID is not taken into account for that purpose.
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-->
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<xsl:template name="generateID">
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<!-- node which generatedID needs to assume as the 'source' of the ID -->
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<xsl:param name="keyNode"/>
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<!-- suggested value for generatedID output, a contextually meaningful ID string -->
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<xsl:param name="templateID"/>
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<xsl:variable name="conflictSource" select="preceding::refsect1/title|preceding::refsect1/info/title|
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preceding::refsect2/title|preceding::refsect2/info/title|
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preceding::varlistentry/term[1]"/>
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<xsl:variable name="conflictCount" select="count($conflictSource[. = $keyNode])"/>
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<xsl:choose>
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<!-- special case conflictCount = 0 to preserve compatibility with URLs generated by previous versions of this XSL stylesheet where possible -->
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<xsl:when test="$conflictCount = 0">
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<xsl:value-of select="$templateID"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="concat($templateID, $conflictCount)"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<!--
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- a helper template to abstract over the structure of generated subheading + permalink HTML output
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- It helps reduce tedious repetition and groups all actual markup output (as opposed to URL/ID logic) in a single location.
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-->
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<xsl:template name="permalink">
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<xsl:param name="nodeType"/> <!-- local name of the element node to generate, e.g. 'h2' for <h2></h2> -->
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<xsl:param name="nodeContent"/> <!-- nodeset to apply further templates to obtain the content of the subheading/term -->
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<xsl:param name="linkTitle"/> <!-- value for title attribute of generated permalink, e.g. 'this is a permalink' -->
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<!-- parameters passed to generateID template, otherwise unused. -->
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<xsl:param name="keyNode"/>
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<xsl:param name="templateID"/>
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<!--
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- If stable URLs with fragment markers (references to the ID) turn out not to be important:
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- generatedID could simply take the value of generate-id(), and various other helper templates may be dropped entirely.
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- Alternatively, if xsltproc is patched to generate reproducible generate-id() output, the same simplifications can be
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- applied at the cost of breaking compatibility with URLs generated from output of previous versions of this stylesheet.
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-->
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<xsl:variable name="generatedID">
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<xsl:call-template name="generateID">
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<xsl:with-param name="keyNode" select="$keyNode"/>
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<xsl:with-param name="templateID" select="$templateID"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:element name="{$nodeType}">
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<xsl:attribute name="id">
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<xsl:value-of select="$generatedID"/>
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</xsl:attribute>
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<xsl:apply-templates select="$nodeContent"/>
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<a class="headerlink" title="{$linkTitle}" href="#{$generatedID}">¶</a>
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</xsl:element>
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</xsl:template>
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<!-- simple wrapper around permalink to avoid repeating common info for each level of subheading covered by the permalink logic (h2, h3) -->
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<xsl:template name="headerlink">
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<xsl:param name="nodeType"/>
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<xsl:call-template name="permalink">
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<xsl:with-param name="nodeType" select="$nodeType"/>
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<xsl:with-param name="linkTitle" select="'Permalink to this headline'"/>
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<xsl:with-param name="nodeContent" select="node()"/>
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<xsl:with-param name="keyNode" select="."/>
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<!--
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- To retain compatibility with IDs generated by previous versions of the template, inline.charseq must be called.
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- The purpose of that template is to generate markup (according to docbook documentation its purpose is to mark/format something as plain text).
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- The only reason to call this template is to get the auto-generated text such as brackets ([]) before flattening it.
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-->
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<xsl:with-param name="templateID">
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<xsl:call-template name="inline.charseq"/>
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</xsl:with-param>
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</xsl:call-template>
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</xsl:template>
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<xsl:template match="refsect1/title|refsect1/info/title">
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<!-- the ID is output in the block.object call for refsect1 -->
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<xsl:call-template name="headerlink">
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<xsl:with-param name="nodeType" select="'h2'"/>
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</xsl:call-template>
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</xsl:template>
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<xsl:template match="refsect2/title|refsect2/info/title">
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<xsl:call-template name="headerlink">
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<xsl:with-param name="nodeType" select="'h3'"/>
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</xsl:call-template>
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</xsl:template>
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<xsl:template match="varlistentry">
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<xsl:call-template name="permalink">
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<xsl:with-param name="nodeType" select="'dt'"/>
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<xsl:with-param name="linkTitle" select="'Permalink to this term'"/>
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<xsl:with-param name="nodeContent" select="term"/>
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<xsl:with-param name="keyNode" select="term[1]"/>
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<!--
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- To retain compatibility with IDs generated by previous versions of the template, inline.charseq must be called.
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- The purpose of that template is to generate markup (according to docbook documentation its purpose is to mark/format something as plain text).
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- The only reason to call this template is to get the auto-generated text such as brackets ([]) before flattening it.
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-->
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<xsl:with-param name="templateID">
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<xsl:call-template name="inline.charseq">
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<xsl:with-param name="content" select="term[1]"/>
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</xsl:call-template>
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</xsl:with-param>
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</xsl:call-template>
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<dd>
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<xsl:apply-templates select="listitem"/>
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</dd>
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</xsl:template>
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<!-- add Index link at top of page -->
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<xsl:template name="user.header.content">
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<style>
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a.headerlink {
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color: #c60f0f;
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font-size: 0.8em;
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padding: 0 4px 0 4px;
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text-decoration: none;
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visibility: hidden;
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}
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a.headerlink:hover {
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background-color: #c60f0f;
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color: white;
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}
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h1:hover > a.headerlink, h2:hover > a.headerlink, h3:hover > a.headerlink, dt:hover > a.headerlink {
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visibility: visible;
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}
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</style>
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<a>
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<xsl:attribute name="href">
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<xsl:text>index.html</xsl:text>
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</xsl:attribute>
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<xsl:text>Index </xsl:text>
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</a>·
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<a>
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<xsl:attribute name="href">
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<xsl:text>systemd.directives.html</xsl:text>
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</xsl:attribute>
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<xsl:text>Directives </xsl:text>
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</a>
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<span style="float:right">
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<xsl:text>systemd </xsl:text>
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<xsl:value-of select="$systemd.version"/>
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</span>
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<hr/>
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</xsl:template>
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<xsl:template match="literal">
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<xsl:text>"</xsl:text>
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<xsl:call-template name="inline.monoseq"/>
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<xsl:text>"</xsl:text>
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</xsl:template>
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<!-- Switch things to UTF-8, ISO-8859-1 is soo yesteryear -->
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<xsl:output method="html" encoding="UTF-8" indent="no"/>
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</xsl:stylesheet>
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