/usr/share/gtk-doc/html/ is in libhkl-doc 4.99.99.1955-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/hkl-4/
/usr/share/gtk-doc/html/hkl-4/annotation-glossary.html
/usr/share/gtk-doc/html/hkl-4/api-index-full.html
/usr/share/gtk-doc/html/hkl-4/ch01.html
/usr/share/gtk-doc/html/hkl-4/deprecated-api-index.html
/usr/share/gtk-doc/html/hkl-4/hkl-4.devhelp2
/usr/share/gtk-doc/html/hkl-4/hkl-array-size.html
/usr/share/gtk-doc/html/hkl-4/hkl-autodata.html
/usr/share/gtk-doc/html/hkl-4/hkl-build-assert.html
/usr/share/gtk-doc/html/hkl-4/hkl-check-type.html
/usr/share/gtk-doc/html/hkl-4/hkl-compiler.html
/usr/share/gtk-doc/html/hkl-4/hkl-container-of.html
/usr/share/gtk-doc/html/hkl-4/hkl-darray.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-axis-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-detector-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-factory-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-geometry-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-interval-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-lattice-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-macros-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-matrix-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-parameter-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-auto-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-common-eulerians-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-common-hkl-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-common-psi-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-common-q-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-pseudoaxis-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-quaternion-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-sample-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-source-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-type-builtins.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl-types.html
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/usr/share/gtk-doc/html/hkl-4/hkl-hkl-vector-private.html
/usr/share/gtk-doc/html/hkl-4/hkl-hkl.html
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/usr/share/gtk-doc/html/hkl-4/hkl-str.html
/usr/share/gtk-doc/html/hkl-4/home.png
/usr/share/gtk-doc/html/hkl-4/index.html
/usr/share/gtk-doc/html/hkl-4/index.sgml
/usr/share/gtk-doc/html/hkl-4/left-insensitive.png
/usr/share/gtk-doc/html/hkl-4/left.png
/usr/share/gtk-doc/html/hkl-4/object-tree.html
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/usr/share/gtk-doc/html/hkl-4/style.css
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/usr/share/gtk-doc/html/hkl-4/up.png