;;; mail-utils.el --- utility functions used both by rmail and rnews
;; Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-;; 2009 Free Software Foundation, Inc.
+;; 2009, 2010 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: mail, news
(require 'lisp-mode)
;;;###autoload
-(defcustom mail-use-rfc822 nil "\
-*If non-nil, use a full, hairy RFC822 parser on mail addresses.
+(defcustom mail-use-rfc822 nil
+ "If non-nil, use a full, hairy RFC822 parser on mail addresses.
Otherwise, (the default) use a smaller, somewhat faster, and
often correct parser."
:type 'boolean
;; Returns t if file FILE is an Rmail file.
;;;###autoload
(defun mail-file-babyl-p (file)
- (let ((buf (generate-new-buffer " *rmail-file-p*")))
- (unwind-protect
- (save-excursion
- (set-buffer buf)
- (insert-file-contents file nil 0 100)
- (looking-at "BABYL OPTIONS:"))
- (kill-buffer buf))))
+ "Return non-nil if FILE is a Babyl file."
+ (with-temp-buffer
+ (insert-file-contents file nil 0 100)
+ (looking-at "BABYL OPTIONS:")))
(defun mail-string-delete (string start end)
"Returns a string containing all of STRING except the part
(setq i (match-end 0)))
(apply 'concat (nreverse (cons (substring string i) strings))))))
+;; FIXME Gnus for some reason has `quoted-printable-decode-region' in qp.el.
;;;###autoload
(defun mail-unquote-printable-region (beg end &optional wrapper noerror
unibyte)
"Undo the \"quoted printable\" encoding in buffer from BEG to END.
If the optional argument WRAPPER is non-nil,
we expect to find and remove the wrapper characters =?ISO-8859-1?Q?....?=.
-If NOERROR is non-nil, return t if successful.
+On encountering malformed quoted-printable text, exits with an error,
+unless NOERROR is non-nil, in which case it continues, and returns nil
+when finished. Returns non-nil on successful completion.
If UNIBYTE is non-nil, insert converted characters as unibyte.
That is useful if you are going to character code decoding afterward,
as Rmail does."
+ ;; FIXME: `unibyte' should always be non-nil, and the iso-latin-1
+ ;; specific handling should be removed (or moved elsewhere and generalized).
(interactive "r\nP")
(let (failed)
(save-match-data
"Prune addresses from DESTINATIONS, a list of recipient addresses.
All addresses matching `rmail-dont-reply-to-names' are removed from
the comma-separated list. The pruned list is returned."
+ ;; FIXME this (setting a user option the first time a command is used)
+ ;; is somewhat strange. Normally one would never set the option,
+ ;; but instead fall back to the default so long as it was nil.
+ ;; Or just set the default directly in the defcustom.
(if (null rmail-dont-reply-to-names)
(setq rmail-dont-reply-to-names
(concat (if rmail-default-dont-reply-to-names
(substring s (match-beginning 3) (match-end 3)) " "
(mail-rfc822-time-zone time))))
+(defun mail-mbox-from ()
+ "Return an mbox \"From \" line for the current message.
+The buffer should be narrowed to just the header."
+ (let ((from (or (mail-fetch-field "from")
+ (mail-fetch-field "really-from")
+ (mail-fetch-field "sender")
+ "unknown"))
+ (date (mail-fetch-field "date")))
+ (format "From %s %s\n" (mail-strip-quoted-names from)
+ (or (and date
+ (ignore-errors
+ (current-time-string (date-to-time date))))
+ (current-time-string)))))
+
(provide 'mail-utils)
;; arch-tag: b24aec2f-fd65-4ceb-9e39-3cc2827036fd