The escreen package is written by Noah Friedman <firstname.lastname@example.org>.
It has been packaged for XEmacs by Jan Rychter <email@example.com>. Please
do not send XEmacs-specific bug reports to Noah Friedman.
If you use XEmacs 21.5 and launch it with a specified frame size, as I
(if (eq (console-type) 'x)
(set-frame-size (selected-frame) 111 48))
... you might notice that the frame size does not get preserved when
switching escreens. The following brute-force code provides a temporary
(if (eql (console-type) 'x)
(set-frame-size (selected-frame) 111 48))))
Of course you should replace 111 and 48 by your desired respective X and