/usr/share/gtk-doc/html/ is in libdmapsharing-3.0-dev 2.9.24-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/libdmapsharing-3.0/
/usr/share/gtk-doc/html/libdmapsharing-3.0/api-index-full.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/ch01.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/deprecated-api-index.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/home.png
/usr/share/gtk-doc/html/libdmapsharing-3.0/index.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/index.sgml
/usr/share/gtk-doc/html/libdmapsharing-3.0/left.png
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DAAPRecord.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DACPPlayer.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPContainerDb.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPContainerRecord.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPDb.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPMdnsBrowser.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPRecord.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DMAPRecordFactory.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-DPAPRecord.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-daap-connection.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-daap-share.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dacp-connection.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dacp-share.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-connection.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-enums.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-gst-input-stream.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-gst-mp3-input-stream.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-gst-wav-input-stream.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dmap-share.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dpap-connection.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0-dpap-share.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/libdmapsharing-3.0.devhelp2
/usr/share/gtk-doc/html/libdmapsharing-3.0/object-tree.html
/usr/share/gtk-doc/html/libdmapsharing-3.0/right.png
/usr/share/gtk-doc/html/libdmapsharing-3.0/style.css
/usr/share/gtk-doc/html/libdmapsharing-3.0/up.png