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-rw-r--r--lisp/mail/sendmail.el22
1 files changed, 14 insertions, 8 deletions
diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index ea2a291aa15..a455e8d176d 100644
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -199,14 +199,20 @@ actually occur.")
(modify-syntax-entry ?% ". " mail-mode-syntax-table)))
(defvar mail-font-lock-keywords
- (list '("^To:" . font-lock-function-name-face)
- '("^B?CC:\\|^Reply-To:" . font-lock-keyword-face)
- '("^Subject:" . font-lock-comment-face)
- '("^Subject:\\s *\\(.+\\)" 1 font-lock-type-face)
- (list (concat "^\\(" (regexp-quote mail-header-separator) "\\)$") 1
- 'font-lock-comment-face)
- '("^[ \t]*\\sw*[>|}].*" . font-lock-reference-face) ; Citation.
- '("^\\(X-[A-Za-z0-9-]+\\|In-reply-to\\):.*" . font-lock-string-face))
+ (eval-when-compile
+ (let* ((cite-prefix "A-Za-z") (cite-suffix (concat cite-prefix "0-9_.@-")))
+ (list '("^To:" . font-lock-function-name-face)
+ '("^B?CC:\\|^Reply-To:" . font-lock-keyword-face)
+ '("^\\(Subject:\\)[ \t]*\\(.+\\)?"
+ (1 font-lock-comment-face) (2 font-lock-type-face nil t))
+ (list (concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
+ 1 'font-lock-comment-face)
+ (cons (concat "^[ \t]*"
+ "\\([" cite-prefix "]+[" cite-suffix "]*\\)?"
+ "[>|}].*")
+ 'font-lock-reference-face)
+ '("^\\(X-[A-Za-z0-9-]+\\|In-reply-to\\):.*"
+ . font-lock-string-face))))
"Additional expressions to highlight in Mail mode.")
(defvar mail-send-hook nil