/usr/share/doc/ is in liblouisutdml-java-doc 2.5.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc-base/liblouisutdml-java
/usr/share/doc/liblouisutdml-java-doc/
/usr/share/doc/liblouisutdml-java-doc/api/
/usr/share/doc/liblouisutdml-java-doc/api/overview-tree.html
/usr/share/doc/liblouisutdml-java-doc/api/script.js
/usr/share/doc/liblouisutdml-java-doc/api/constant-values.html
/usr/share/doc/liblouisutdml-java-doc/api/deprecated-list.html
/usr/share/doc/liblouisutdml-java-doc/api/index.html
/usr/share/doc/liblouisutdml-java-doc/api/allclasses-frame.html
/usr/share/doc/liblouisutdml-java-doc/api/package-list
/usr/share/doc/liblouisutdml-java-doc/api/allclasses-noframe.html
/usr/share/doc/liblouisutdml-java-doc/api/org/
/usr/share/doc/liblouisutdml-java-doc/api/org/liblouis/
/usr/share/doc/liblouisutdml-java-doc/api/org/liblouis/package-frame.html
/usr/share/doc/liblouisutdml-java-doc/api/org/liblouis/liblouisutdml.html
/usr/share/doc/liblouisutdml-java-doc/api/org/liblouis/package-summary.html
/usr/share/doc/liblouisutdml-java-doc/api/org/liblouis/package-tree.html
/usr/share/doc/liblouisutdml-java-doc/api/help-doc.html
/usr/share/doc/liblouisutdml-java-doc/api/stylesheet.css
/usr/share/doc/liblouisutdml-java-doc/api/index-all.html
/usr/share/doc/liblouisutdml-java-doc/copyright
/usr/share/doc/liblouisutdml-java-doc/changelog.Debian.gz