+(defvar message-smileys '(":-)" ":)"
+ ":-(" ":("
+ ";-)" ";)")
+ "A list of recognized smiley faces in `message-mode'.")
+
+(defun message--syntax-propertize (beg end)
+ "Syntax-propertize certain message text specially."
+ (let ((citation-regexp (concat "^" message-cite-prefix-regexp ".*$"))
+ (smiley-regexp (regexp-opt message-smileys)))
+ (goto-char beg)
+ (while (search-forward-regexp citation-regexp
+ end 'noerror)
+ (let ((start (match-beginning 0))
+ (end (match-end 0)))
+ (add-text-properties start (1+ start)
+ `(syntax-table ,(string-to-syntax "<")))
+ (add-text-properties end (min (1+ end) (point-max))
+ `(syntax-table ,(string-to-syntax ">")))))
+ (goto-char beg)
+ (while (search-forward-regexp smiley-regexp
+ end 'noerror)
+ (add-text-properties (match-beginning 0) (match-end 0)
+ `(syntax-table ,(string-to-syntax "."))))))
+