/usr/share/doc/libgnatcoll-doc/html/_static/jquery.js is in libgnatcoll-doc 1.7gpl2015-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgnatcoll-doc/html/_static/../../../../javascript/sphinxdoc/1.0/jquery.js