/usr/share/xml/docbook/custom/website/2.5.0/xsl/ is in docbook-website 2.5.0.0-8.
This file is owned by root:root, with mode 0o755.
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/usr/share/xml/docbook/custom/website/2.5.0/xsl/ChangeLog
/usr/share/xml/docbook/custom/website/2.5.0/xsl/VERSION
/usr/share/xml/docbook/custom/website/2.5.0/xsl/autolayout.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/chunk-common.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/chunk-tabular.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/chunk-website.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/head.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/makefile-dep.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/olink.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/param.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/rss.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/tabular.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/toc-tabular.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/toc.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/website-common.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/website-targets.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/website.xsl
/usr/share/xml/docbook/custom/website/2.5.0/xsl/xbel.xsl