/usr/share/doc/ is in libmimedir-gnome-doc 0.4.2-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libmimedir-gnome-doc/
/usr/share/doc/libmimedir-gnome-doc/html/
/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirvtimezone.html
/usr/share/doc/libmimedir-gnome-doc/html/bibliography.html
/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirattachment.html
/usr/share/doc/libmimedir-gnome-doc/html/ical-ref.html
/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirdatetime.html
/usr/share/doc/libmimedir-gnome-doc/html/overview-classes.html
/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirvjournal.html
/usr/share/doc/libmimedir-gnome-doc/html/overview.html
/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirattribute.html
/usr/share/doc/libmimedir-gnome-doc/html/overview-encoding.html
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/usr/share/doc/libmimedir-gnome-doc/html/mimedir-mimedirvcardemail.html
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/usr/share/doc/libmimedir-gnome-doc/copyright