/usr/share/javascript/edit-area/plugins/charmap/ is in libjs-edit-area 0.8.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/javascript/edit-area/plugins/charmap/charmap.js
/usr/share/javascript/edit-area/plugins/charmap/css/
/usr/share/javascript/edit-area/plugins/charmap/css/charmap.css
/usr/share/javascript/edit-area/plugins/charmap/images/
/usr/share/javascript/edit-area/plugins/charmap/images/charmap.gif
/usr/share/javascript/edit-area/plugins/charmap/jscripts/
/usr/share/javascript/edit-area/plugins/charmap/jscripts/map.js
/usr/share/javascript/edit-area/plugins/charmap/langs/
/usr/share/javascript/edit-area/plugins/charmap/langs/bg.js
/usr/share/javascript/edit-area/plugins/charmap/langs/cs.js
/usr/share/javascript/edit-area/plugins/charmap/langs/de.js
/usr/share/javascript/edit-area/plugins/charmap/langs/dk.js
/usr/share/javascript/edit-area/plugins/charmap/langs/en.js
/usr/share/javascript/edit-area/plugins/charmap/langs/eo.js
/usr/share/javascript/edit-area/plugins/charmap/langs/es.js
/usr/share/javascript/edit-area/plugins/charmap/langs/fr.js
/usr/share/javascript/edit-area/plugins/charmap/langs/hr.js
/usr/share/javascript/edit-area/plugins/charmap/langs/it.js
/usr/share/javascript/edit-area/plugins/charmap/langs/ja.js
/usr/share/javascript/edit-area/plugins/charmap/langs/mk.js
/usr/share/javascript/edit-area/plugins/charmap/langs/nl.js
/usr/share/javascript/edit-area/plugins/charmap/langs/pl.js
/usr/share/javascript/edit-area/plugins/charmap/langs/pt.js
/usr/share/javascript/edit-area/plugins/charmap/langs/ru.js
/usr/share/javascript/edit-area/plugins/charmap/langs/sk.js
/usr/share/javascript/edit-area/plugins/charmap/langs/zh.js
/usr/share/javascript/edit-area/plugins/charmap/popup.html