Usecase: i have tons of launchers in the panel with "start in a term" checked, using a command like 'ssh -Y -t host tmux attach'. This used to work without issues, and since commit http://git.xfce.org/xfce/exo/commit/?id=8cd3233f1d2312670444a202f79d55b98286aa4f this broke. panel plugin launcher says 'L'exécution du processus fils « ssh -Y -t host tmux attach » a échoué (No such file or directory)' and that launches an empty terminal, without shell or anything in it. - my exo prefs use xfce4-terminal, and if i remove the quotes added in http://git.xfce.org/xfce/exo/diff/exo-helper/helpers/xfce4-terminal.desktop.in.in?id=8cd3233f1d2312670444a202f79d55b98286aa4f that fixes the issue.
Meh, actually a dupe, didnt see last comments in 10731 *** This bug has been marked as a duplicate of bug 10731 ***