Package: libgtk-3-bin Version: 3.22.16-1 Severity: wishlist File: /usr/share/man/man1/gtk-query-settings.1.gz
$ gtk-query-settings theme gtk-theme-name: "HighContrast" gtk-icon-theme-name: "HighContrast" ! gtk-fallback-icon-theme: NULL gtk-key-theme-name: NULL gtk-cursor-theme-name: NULL gtk-cursor-theme-size: 0 gtk-sound-theme-name: "freedesktop" gtk-application-prefer-dark-theme: FALSE The man page should say what ! means. Also it should say if it is querying gtk 2 or 3 or both settings.