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-rw-r--r--lisp/textmodes/enriched.el19
1 files changed, 18 insertions, 1 deletions
diff --git a/lisp/textmodes/enriched.el b/lisp/textmodes/enriched.el
index b9d247132dc..6b4c44a39e7 100644
--- a/lisp/textmodes/enriched.el
+++ b/lisp/textmodes/enriched.el
@@ -120,9 +120,11 @@ expression, which is evaluated to get the string to insert.")
;; The following are not part of the standard:
(FUNCTION (enriched-decode-foreground "x-color")
(enriched-decode-background "x-bg-color")
- (enriched-decode-display-prop "x-display"))
+ (enriched-decode-display-prop "x-display")
+ (enriched-decode-charset "x-charset"))
(read-only (t "x-read-only"))
(display (nil enriched-handle-display-prop))
+ (charset (nil enriched-handle-charset-prop))
(unknown (nil format-annotate-value))
; (font-size (2 "bigger") ; unimplemented
; (-2 "smaller"))
@@ -492,6 +494,21 @@ Return value is \(begin end name positive-p), or nil if none was found."
(list from to 'face (list ':background color))
(message "Warning: no color specified for <x-bg-color>")
nil))
+
+(defun enriched-decode-charset (from to &optional cset)
+ (let ((cs (when (stringp cset)
+ (condition-case ()
+ (car (read-from-string cset))
+ (error nil)))))
+ (unless cs
+ (message "Warning: invalid <x-charset> parameter %s" cset))
+ (list from to 'charset cs)))
+
+(defun enriched-handle-charset-prop (old new)
+ "Return a list of annotations for a change in the `charset' property."
+ (cons (and old (list (list "x-charset" (symbol-name old))))
+ (and new (list (list "x-charset" (symbol-name new))))))
+
;;; Handling the `display' property.