GNU bug report logs - #78418
31.0.50; Change in fit-frame-to-buffer doesn't work with transient-posframe

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: martin rudalics <rudalics <at> gmx.at>
Cc: yhaoxie <at> gmail.com, 78418 <at> debbugs.gnu.org
Subject: bug#78418: 31.0.50; Change in fit-frame-to-buffer doesn't work with transient-posframe
Date: Wed, 14 May 2025 10:26:50 +0200

martin rudalics <rudalics <at> gmx.at> writes:

>> Added Martin and the author of transient-posframe in CC.
>
> In this piece of code
>
> 	(setq text-minus-body-height
> 	      (+ text-minus-body-height
> 		 (- char-height
> 		    (% text-minus-body-height char-height)))))
>
> what are the values of 'text-minus-body-height' and 'char-height' when
> the problem happens?
>
> martin

text-minus-body-height 0, char-height 1

with

modified   lisp/window.el
@@ -10157,6 +10157,8 @@ fit-frame-to-buffer-1
 	      (+ text-minus-body-width
 		 (- char-width
 		    (% text-minus-body-width char-width))))
+        (message "text-minus-body-height %S, char-height %S"
+                 text-minus-body-height char-height)
 	(setq text-minus-body-height
 	      (+ text-minus-body-height
 		 (- char-height

in an Emacs on tty.

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