Where is the command that is run when 'Open Link' is clicked?

[Igor Zakharov]

07.12.2017, 16:34, "Chris Green" <cl at isbd.net>:
>>  > However if I right click on a link in a terminal window and select
>>  > 'Open Link' I get Firefox.
> xfce4-terminal

xfce4-terminal is using GTK API gtk_open_uri() for opening URLs.

Please try following the steps described here: https://bbs.archlinux.org/viewtopic.php?id=140028

Regards,
Igor