/usr/share/yelp-xsl/xslt/mallard/html/mal2html-math.xsl is in yelp-xsl 3.10.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | <?xml version='1.0' encoding='UTF-8'?><!-- -*- indent-tabs-mode: nil -*- -->
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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-->
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:mal="http://projectmallard.org/1.0/"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns="http://www.w3.org/1999/xhtml"
exclude-result-prefixes="mal mml xlink"
version="1.0">
<!--!!==========================================================================
Mallard to HTML - MathML
Handle MathML in Mallard documents.
:Revision: version="3.8" date="2012-11-13" status="final"
This stylesheet matches embedded MathML in %{mal2html.block.mode} and
%{mal2html.inline.mode} and processes it in %{mal2html.math.mode}. The
matched templates for the #{mml:math} element automatically set the
#{display} attribute based on whether the element is in block or inline
context.
-->
<!--%%==========================================================================
mal2html.math.mode
Output MathML and handle Mallard extensions.
:Revision: version="3.8" date="2012-11-13" status="final"
This mode is used for processing MathML embedded into Mallard documents. For
most types of MathML content, it simply copies the input directly, except it
outputs the MathML in a way that allows the namespace to stripped for non-XML
output. It checks for Mallard linking using the #{mal:xref} attribute and
transforms this to a MathML #{href} attribute. It also converts #{xlink:href}
attributes from MathML 2 to #{href} attributes for MathML 3.
-->
<xsl:template mode="mal2html.math.mode" match="mml:*">
<xsl:element name="{local-name(.)}" namespace="{$html.mathml.namespace}">
<xsl:for-each select="@*[name(.) != 'href']">
<xsl:copy-of select="."/>
</xsl:for-each>
<xsl:choose>
<xsl:when test="@mal:xref">
<xsl:attribute name="href">
<xsl:call-template name="mal.link.target">
<xsl:with-param name="node" select="."/>
<xsl:with-param name="xref" select="@mal:xref"/>
</xsl:call-template>
</xsl:attribute>
</xsl:when>
<xsl:when test="@href">
<xsl:copy-of select="@href"/>
</xsl:when>
<xsl:when test="@xlink:href">
<xsl:attribute name="href">
<xsl:value-of select="@xlink:href"/>
</xsl:attribute>
</xsl:when>
</xsl:choose>
<xsl:apply-templates mode="mal2html.math.mode"/>
</xsl:element>
</xsl:template>
<xsl:template mode="mal2html.math.mode" match="text()">
<xsl:value-of select="."/>
</xsl:template>
<xsl:template mode="mal2html.math.mode" match="*"/>
<xsl:template mode="mal2html.block.mode" match="mml:math">
<xsl:variable name="if"><xsl:call-template name="mal.if.test"/></xsl:variable><xsl:if test="$if != ''">
<div>
<xsl:call-template name="html.lang.attrs"/>
<xsl:attribute name="class">
<xsl:text>math</xsl:text>
<xsl:if test="$if != 'true'">
<xsl:text> if-if </xsl:text>
<xsl:value-of select="$if"/>
</xsl:if>
</xsl:attribute>
<xsl:element name="math" namespace="{$html.mathml.namespace}">
<xsl:for-each select="@*[name(.) != 'display']
[not(starts-with(namespace-uri(.), 'http://projectmallard.org/'))]">
<xsl:copy-of select="."/>
</xsl:for-each>
<xsl:attribute name="display">
<xsl:value-of select="'block'"/>
</xsl:attribute>
<xsl:apply-templates mode="mal2html.math.mode"/>
</xsl:element>
</div>
</xsl:if>
</xsl:template>
<xsl:template mode="mal2html.inline.mode" match="mml:math">
<span>
<xsl:call-template name="html.class.attr">
<xsl:with-param name="class" select="'math'"/>
</xsl:call-template>
<xsl:call-template name="html.lang.attrs"/>
<xsl:element name="math" namespace="{$html.mathml.namespace}">
<xsl:for-each select="@*[name(.) != 'display']
[not(starts-with(namespace-uri(.), 'http://projectmallard.org/'))]">
<xsl:copy-of select="."/>
</xsl:for-each>
<xsl:attribute name="display">
<xsl:value-of select="'inline'"/>
</xsl:attribute>
<xsl:apply-templates mode="mal2html.math.mode"/>
</xsl:element>
</span>
</xsl:template>
</xsl:stylesheet>
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