In article <mailman.1035870384.15595.help-gnu-emacs@gnu.org>, Eli
Zaretskii wrote:
As
another example, it doesn't fit into the future Emacs model where GUI and
text (a.k.a. tty) frames can be supported in the same session.
This suggests that the abstract concept of "runtime window system" is
perfectly valid but that's it's frame-specific. I have no problem
with that at all. In fact I like it. I'm not wedded to the variable
'window-system'. I'm using it now because I have no choice now --
this is one and only hook emacs provides me. What it's important to
me is the concept, not the access point.