Commit 4267d515 authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

(Window Systems): Document `initial-window-system'.

parent 77bb0476
......@@ -5660,6 +5660,11 @@ Emacs is displaying the frame on a character-based terminal.
@end table
@end defvar
@defvar initial-window-system
This variable holds the value of @code{window-system} used for the
first frame created by Emacs during startup.
@end defvar
@defun window-system &optional frame
This function returns a symbol whose name tells what window system is
used for displaying @var{frame} (which defaults to the currently
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