It uses gtk_show_uri(): https://git.gnome.org/browse/gtk+/tree/gtk/gtkshow.c?h=gtk-2-24&id=b9c9919fe22dd243b3771c6b59d7e751e556753b
- Bug#810302: Browser choice not fully documented 積丹尼 Dan Jacobson
- Bug#810302: Browser choice not fully documente... Ari Pollak
- Bug#810302: Browser choice not fully documente... 積丹尼 Dan Jacobson