(face-spec-set): Ignore invalid attributes like 20.x.

(face-x-resources): Remove duplicate entry for :font.

1 files changed, 5 insertions, 3 deletions

diff --git a/lisp/faces.el b/lisp/faces.el
index 3dc579ec0cc..0cec44b94d2 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -263,7 +263,6 @@ If FRAME is omitted or nil, use the selected frame."
     (:stipple
      (".attributeStipple" . "Face.AttributeStipple")
      (".attributeBackgroundPixmap" . "Face.AttributeBackgroundPixmap"))
-    (:font (".attributeFont" . "Face.AttributeFont"))
     (:bold (".attributeBold" . "Face.AttributeBold"))
     (:italic (".attributeItalic" . "Face.AttributeItalic"))
     (:font (".attributeFont" . "Face.AttributeFont")))
@@ -1167,8 +1166,11 @@ do it on all frames.  See `defface' for information about SPEC."
         ;; Support some old-style attribute names and values.
         (case attribute
           (:bold (setq attribute :weight value (if value 'bold 'normal)))
-          (:italic (setq attribute :slant value (if value 'italic 'normal))))
-        (setq params (cons attribute (cons value params))))
+          (:italic (setq attribute :slant value (if value 'italic 'normal)))
+          (t (unless (assq attribute face-x-resources)
+               (setq attribute nil))))
+        (when attribute
+          (setq params (cons attribute (cons value params)))))
       (setq attrs (cdr (cdr attrs))))
     (face-spec-reset-face face frame)
     (apply #'set-face-attribute face frame params)))