1 files changed, 4 insertions, 2 deletions

diff --git a/lisp/textmodes/sgml-mode.el b/lisp/textmodes/sgml-mode.el
index cdc2916e799..7e1167a9396 100644
--- a/lisp/textmodes/sgml-mode.el
+++ b/lisp/textmodes/sgml-mode.el
@@ -248,11 +248,13 @@ separated by a space."
   "Regular expression that matches a non-empty start tag.
 Any terminating `>' or `/' is not matched.")
 
-(defface sgml-namespace-face
+(defface sgml-namespace
   '((t (:inherit font-lock-builtin-face)))
   "`sgml-mode' face used to highlight the namespace part of identifiers."
   :group 'sgml)
-(defvar sgml-namespace-face 'sgml-namespace-face)
+;; backward-compatibility alias
+(put 'sgml-namespace-face 'face-alias 'sgml-namespace)
+(defvar sgml-namespace-face 'sgml-namespace)
 
 ;; internal
 (defconst sgml-font-lock-keywords-1