/usr/share/help/oc/ is in zenity-common 3.8.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/oc/zenity/
/usr/share/help/oc/zenity/calendar.page
/usr/share/help/oc/zenity/color-selection.page
/usr/share/help/oc/zenity/entry.page
/usr/share/help/oc/zenity/error.page
/usr/share/help/oc/zenity/figures/
/usr/share/help/oc/zenity/figures/zenity-calendar-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-colorselection-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-entry-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-error-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-fileselection-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-forms-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-information-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-list-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-notification-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-password-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-progress-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-question-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-scale-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-text-screenshot.png
/usr/share/help/oc/zenity/figures/zenity-warning-screenshot.png
/usr/share/help/oc/zenity/file-selection.page
/usr/share/help/oc/zenity/forms.page
/usr/share/help/oc/zenity/index.page
/usr/share/help/oc/zenity/info.page
/usr/share/help/oc/zenity/intro.page
/usr/share/help/oc/zenity/legal.xml
/usr/share/help/oc/zenity/list.page
/usr/share/help/oc/zenity/message.page
/usr/share/help/oc/zenity/notification.page
/usr/share/help/oc/zenity/password.page
/usr/share/help/oc/zenity/progress.page
/usr/share/help/oc/zenity/question.page
/usr/share/help/oc/zenity/scale.page
/usr/share/help/oc/zenity/text.page
/usr/share/help/oc/zenity/usage.page
/usr/share/help/oc/zenity/warning.page
