source: vbox/trunk/doc/manual/refsect2_replace.xsl

<!--
    refsect2_replace.xsl:
        - Replaces refsect2 elements with corresponding refsect1. It looks
        like dita does not like nested refsect sections. So we flat them out.
-->
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    This file is part of VirtualBox base platform packages, as
    available from https://www.virtualbox.org.

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation, in version 3 of the
    License.

    This program is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, see <https://www.gnu.org/licenses>.

    SPDX-License-Identifier: GPL-3.0-only
-->
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
    <xsl:output encoding="UTF-8" method="xml" omit-xml-declaration="no" indent="yes" />
    <xsl:output doctype-system="http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" doctype-public="-//OASIS//DTD DocBook XML V4.5//EN"/>

    <xsl:template match="refsect2">
        <xsl:element name="refsect1">
            <xsl:for-each select="@*">
                <xsl:attribute name="{name()}">
                    <xsl:value-of select="." />
                </xsl:attribute>
            </xsl:for-each>
            <xsl:copy-of select="node()"/>
        </xsl:element>
    </xsl:template>

    <xsl:template match="node()|@*">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*"/>
        </xsl:copy>
    </xsl:template>
</xsl:stylesheet>