(mouse-select-font)))
spec)
(when font
- (set-face-attribute 'default nil :font font)
+ ;; We used to call set-face-attribute with a nil argument here,
+ ;; but this does the wrong thing (Bug#2476). The reason is
+ ;; subtle: when Emacs looks for a font matching the `font'
+ ;; argument, it tries to guess the best matching font by
+ ;; examining the other face attributes. The attributes for
+ ;; future frames are generally unspecified, so this matching
+ ;; process works poorly. What we do instead is assign `font' to
+ ;; the selected frame, then use that font object and assign it
+ ;; to all other frames (and to future frames).
+ (set-face-attribute 'default (selected-frame) :font font)
+ (let ((font-object (face-attribute 'default :font)))
+ (dolist (f (frame-list))
+ (and (not (eq f (selected-frame)))
+ (display-graphic-p f)
+ (set-face-attribute 'default f :font font-object)))
+ (set-face-attribute 'default t :font font-object))
(setq spec (list (list t (face-attr-construct 'default))))
(put 'default 'customized-face spec)
(custom-push-theme 'theme-face 'default 'user 'set spec)