/usr/share/doc/libpango1.0-doc/glib is in libpango1.0-doc 1.40.5-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpango1.0-doc/../libglib2.0-doc/glib
/usr/share/doc/libpango1.0-doc/../libglib2.0-doc/glib