(custom-face-save): Do post-processing on the face's new value like

`custom-face-set' does.

1 files changed, 6 insertions, 2 deletions

diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index a9358d66703..052b4ca2dee 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -2873,14 +2873,18 @@ Optional EVENT is the location for the menu."
   "Prepare for saving WIDGET's face attributes, but don't write `.emacs'."
   (let* ((symbol (widget-value widget))
          (child (car (widget-get widget :children)))
-         (value (widget-value child))
+         (value (custom-post-filter-face-spec (widget-value child)))
          (comment-widget (widget-get widget :comment-widget))
          (comment (widget-value comment-widget)))
     (when (equal comment "")
       (setq comment nil)
       ;; Make the comment invisible by hand if it's empty
       (custom-comment-hide comment-widget))
-    (face-spec-set symbol value)
+    (if (face-spec-choose value)
+        (face-spec-set symbol value)
+      ;; face-set-spec ignores empty attribute lists, so just give it
+      ;; something harmless instead.
+      (face-spec-set symbol '((t :foreground unspecified))))
     (put symbol 'saved-face value)
     (put symbol 'customized-face nil)
     (put symbol 'face-comment comment)