/usr/share/doc/libxml-xslt-perl/examples/identity.xsl is in libxml-xslt-perl 0.48-4.
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 | <?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match='*|comment()|processing-instruction()'><xsl:copy><xsl:apply-templates /></xsl:copy></xsl:template>
<xsl:template match='@*|text()'><xsl:copy /></xsl:template>
</xsl:stylesheet>
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