(goto-char (point-max))))
(save-restriction
(narrow-to-region b (point))
- (when (member type '("enriched" "richtext"))
- (set-text-properties (point-min) (point-max) nil)
- (ignore-errors
- (enriched-decode (point-min) (point-max))))
(mm-handle-set-undisplayer
handle
`(lambda ()
(full "flushboth")
(center "center"))
(PARAMETER (t "param")) ; Argument of preceding annotation
- ;; 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"))
(read-only (t "x-read-only"))
- (display (nil enriched-handle-display-prop))
(unknown (nil format-annotate-value))
; (font-size (2 "bigger") ; unimplemented
; (-2 "smaller"))
(message "Warning: no color specified for <x-bg-color>")
nil))
\f
-;;; Handling the `display' property.
-
-
-(defun enriched-handle-display-prop (old new)
- "Return a list of annotations for a change in the `display' property.
-OLD is the old value of the property, NEW is the new value. Value
-is a list `(CLOSE OPEN)', where CLOSE is a list of annotations to
-close and OPEN a list of annotations to open. Each of these lists
-has the form `(ANNOTATION PARAM ...)'."
- (let ((annotation "x-display")
- (param (prin1-to-string (or old new))))
- (if (null old)
- (cons nil (list (list annotation param)))
- (cons (list (list annotation param)) nil))))
-
-(defun enriched-decode-display-prop (start end &optional param)
- "Decode a `display' property for text between START and END.
-PARAM is a `<param>' found for the property.
-Value is a list `(START END SYMBOL VALUE)' with START and END denoting
-the range of text to assign text property SYMBOL with value VALUE."
- (let ((prop (when (stringp param)
- (condition-case ()
- (car (read-from-string param))
- (error nil)))))
- (unless prop
- (message "Warning: invalid <x-display> parameter %s" param))
- (list start end 'display prop)))
;;; enriched.el ends here