/usr/lib/x86_64-linux-gnu/gedit/ is in gedit-plugins 3.10.1-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/gedit/plugins/
/usr/lib/x86_64-linux-gnu/gedit/plugins/bookmarks.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/bracketcompletion.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/bracketcompletion.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/charmap/
/usr/lib/x86_64-linux-gnu/gedit/plugins/charmap.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/charmap/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/charmap/panel.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/codecomment.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/codecomment.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorpicker.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorpicker.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorschemer/
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorschemer.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorschemer/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorschemer/languages.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/colorschemer/schemer.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/accel_group.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/completion.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/exceptions.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/metamodule.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/method.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/module.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/result.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/commands/rollbackimporter.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/entry.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/history.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/info.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/modules.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/transparentwindow.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/utils.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/commander/windowactivatable.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/dashboard/
/usr/lib/x86_64-linux-gnu/gedit/plugins/dashboard.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/dashboard/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/dashboard/dashboard.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/dashboard/utils.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/drawspaces.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/gpdefs.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/joinlines.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/joinlines.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/libbookmarks.so
/usr/lib/x86_64-linux-gnu/gedit/plugins/libdrawspaces.so
/usr/lib/x86_64-linux-gnu/gedit/plugins/libwordcompletion.so
/usr/lib/x86_64-linux-gnu/gedit/plugins/multiedit/
/usr/lib/x86_64-linux-gnu/gedit/plugins/multiedit.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/multiedit/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/multiedit/documenthelper.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/multiedit/signals.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/smartspaces.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/smartspaces.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/synctex/
/usr/lib/x86_64-linux-gnu/gedit/plugins/synctex.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/synctex/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/synctex/evince_dbus.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/synctex/synctex.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/terminal.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/terminal.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/textsize/
/usr/lib/x86_64-linux-gnu/gedit/plugins/textsize.plugin
/usr/lib/x86_64-linux-gnu/gedit/plugins/textsize/__init__.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/textsize/documenthelper.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/textsize/signals.py
/usr/lib/x86_64-linux-gnu/gedit/plugins/wordcompletion.plugin