/usr/ is in libhkl-doc 4.0.3-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/gtk-doc/
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/hkl-4/
/usr/share/gtk-doc/html/hkl-4/object-tree.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-lattice.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis.html
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/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-common-psi.html
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/usr/share/gtk-doc/html/hkl-4/hkl-hkl-geometry.html
/usr/share/gtk-doc/html/hkl-4/style.css
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/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-k6c.html
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/usr/share/doc/
/usr/share/doc/libhkl-doc/
/usr/share/doc/libhkl-doc/copyright
/usr/share/doc/libhkl-doc/changelog.Debian.gz
/usr/share/doc/libhkl-doc/changelog.gz