(set-face-background): When using face-color-supported-p,

specify foreground, not background.

1 files changed, 5 insertions, 1 deletions

diff --git a/lisp/faces.el b/lisp/faces.el
index 438b148f46d..368d44f8fa0 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -150,7 +150,11 @@ in that frame; otherwise change each frame."
   ;; For a specific frame, use gray stipple instead of gray color
   ;; if the display does not support a gray color.
   (if (and frame (not (eq frame t)) color
-           (not (face-color-supported-p frame color t)))
+           ;; Check for supportedness for foreground, not for background!
+           ;; face-color-supported-p is smart enough to know
+           ;; that grays are "supported" as background
+           ;; because we are supposed to use stipple for them!
+           (not (face-color-supported-p frame color nil)))
       (set-face-stipple face face-default-stipple frame)
     (if (null frame)
         (let ((frames (frame-list)))