* lisp/vc/ediff-init.el (ediff-window-display-p): Document how to
prevent Ediff from creating additional frames, now that this
function can no longer be used or advised for that. (Bug#61850)
(define-obsolete-function-alias 'ediff-convert-standard-filename #'convert-standard-filename "28.1")
(define-obsolete-function-alias 'ediff-hide-face #'ignore "28.1")
(define-obsolete-function-alias 'ediff-file-remote-p #'file-remote-p "29.1")
-(define-obsolete-function-alias 'ediff-window-display-p #'display-graphic-p "29.1")
+(define-obsolete-function-alias 'ediff-window-display-p #'display-graphic-p "29.1"
+ "To prevent Ediff from creating frames, see `ediff-window-setup-function'.
+Set it to `ediff-setup-windows-plain' to do everything in a single frame,
+even on GUI terminal.")
(define-obsolete-function-alias 'ediff-mouse-event-p #'mouse-event-p "29.1")
(provide 'ediff-init)