bug#64310: 29.0.92; pure-GTK warning under Wayland

[Po Lu]

Pankaj Jangid <pankaj@codeisgreat.org> writes:

> Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec 
> emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval 
> \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u

I think this line here is the problem: it will make emacsclient try to
use the Xwayland display.  What happens if you delete the `--display'
argument from this command line?  Emacsclient should be smart enough to
figure out which display to use from the environment alone.