Re: master fe7c015b20: Support XFCE in wallpaper.el

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: stefankangas@gmail.com,  emacs-devel@gnu.org,  thievol@posteo.net
> Date: Tue, 27 Sep 2022 15:50:31 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Yes, of course, mentioning those URLs will go a long way towards
> > filling the current gap.  If different environments/desktops have
> > their separate specs, I think it is best to have them all mentioned,
> > each one with the names of the environments/desktops for which it is
> > relevant.
> >
> > Thanks.
> 
> Different desktops do have their own properties, but they are too
> numerous to list, unstandardized, and not really relevant for Emacs
> users.

Why should we second-guess what users will want? why not include those
other specs, even though they aren't standardized?  How many popular
desktops which have these specs are out there?

> X allows an arbitrary number of properties to be set on any window.
> However, properties are most often set by the window manager or other
> programs on the root window or FRAME's X window in order to communicate
> information to Emacs and other programs.  Most of these properties are
> specified as part of the Extended Window Manager Hints and the
> Inter-Client Communication Conventions Manual, which are located here:
> 
>    https://specifications.freedesktop.org/wm-spec/wm-spec-latest.html
> 
> and
> 
>   https://x.org/releases/X11R7.6/doc/xorg-docs/specs/ICCCM/icccm.html

SGTM, thanks.