/usr/share/help/C/gtg/ is in gtg 0.3.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/C/gtg/figures/
/usr/share/help/C/gtg/figures/Understand-GTG-main-window.png
/usr/share/help/C/gtg/figures/configure-sync.png
/usr/share/help/C/gtg/figures/edit_tag.png
/usr/share/help/C/gtg/figures/edit_task.png
/usr/share/help/C/gtg/figures/get_started.png
/usr/share/help/C/gtg/figures/gtg-icon.png
/usr/share/help/C/gtg/figures/gtg-screenshot.png
/usr/share/help/C/gtg/figures/modify-tag.png
/usr/share/help/C/gtg/figures/mover1.png
/usr/share/help/C/gtg/figures/mover2.png
/usr/share/help/C/gtg/figures/mover3.png
/usr/share/help/C/gtg/figures/mover4.png
/usr/share/help/C/gtg/figures/plugins.png
/usr/share/help/C/gtg/figures/quick_tag_entry.png
/usr/share/help/C/gtg/figures/select-sync.png
/usr/share/help/C/gtg/figures/select_sync_service.png
/usr/share/help/C/gtg/figures/set_date_task_browser.png
/usr/share/help/C/gtg/figures/set_date_task_open.png
/usr/share/help/C/gtg/figures/subtasks.png
/usr/share/help/C/gtg/figures/subtasks2.png
/usr/share/help/C/gtg/figures/tag.png
/usr/share/help/C/gtg/figures/task-management.png
/usr/share/help/C/gtg/figures/tasks.png
/usr/share/help/C/gtg/figures/workview.png
/usr/share/help/C/gtg/gtg-add-sync.page
/usr/share/help/C/gtg/gtg-add-tag.page
/usr/share/help/C/gtg/gtg-create-new-task.page
/usr/share/help/C/gtg/gtg-create-plugin.page
/usr/share/help/C/gtg/gtg-create-sync.page
/usr/share/help/C/gtg/gtg-credits-design.page
/usr/share/help/C/gtg/gtg-credits-dev.page
/usr/share/help/C/gtg/gtg-credits-trans.page
/usr/share/help/C/gtg/gtg-delete-task.page
/usr/share/help/C/gtg/gtg-dismiss-task.page
/usr/share/help/C/gtg/gtg-edit-task.page
/usr/share/help/C/gtg/gtg-faq.page
/usr/share/help/C/gtg/gtg-join-developers.page
/usr/share/help/C/gtg/gtg-join-users.page
/usr/share/help/C/gtg/gtg-main-window.page
/usr/share/help/C/gtg/gtg-plugins.page
/usr/share/help/C/gtg/gtg-ppa.page
/usr/share/help/C/gtg/gtg-quickadd-dates.page
/usr/share/help/C/gtg/gtg-quickadd-new-task.page
/usr/share/help/C/gtg/gtg-quickadd.page
/usr/share/help/C/gtg/gtg-quickstart.page
/usr/share/help/C/gtg/gtg-report-problem.page
/usr/share/help/C/gtg/gtg-search-intro.page
/usr/share/help/C/gtg/gtg-search-syntax.page
/usr/share/help/C/gtg/gtg-set-task-date.page
/usr/share/help/C/gtg/gtg-shortcut-keys.page
/usr/share/help/C/gtg/gtg-subtasks.page
/usr/share/help/C/gtg/gtg-sync.page
/usr/share/help/C/gtg/gtg-tag-color.page
/usr/share/help/C/gtg/gtg-tags.page
/usr/share/help/C/gtg/gtg-tasks.page
/usr/share/help/C/gtg/gtg-translate.page
/usr/share/help/C/gtg/gtg-workview.page
/usr/share/help/C/gtg/index.page
/usr/share/help/C/gtg/legal.xml
/usr/share/help/C/gtg/videos/
/usr/share/help/C/gtg/videos/GetStarted.ogg
/usr/share/help/C/gtg/videos/quick-add2.webm