Re: master fe7c015b20: Support XFCE in wallpaper.el

[Po Lu]

Thierry Volpiatto <thievol@posteo.net> writes:

> Works on both emacs and emacs -nw.
>
>> Or perhaps, (frame-parameter nil 'display)?
>
> (frame-parameter nil 'display) ==>nil in emacs -nw.

Also, the XFCE configuration doesn't really care about DISPLAY.  So we
can only make a reasonable guess about the screen number based on the
name of the current terminal, making the assumption that it corresponds
to the same display and screen that the user's XFCE session is running
inside.