From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrew Cohen Newsgroups: gmane.emacs.bugs Subject: bug#64296: 30.0.50; problem with gnus-summary-resend-message Date: Tue, 27 Jun 2023 15:10:51 +0800 Message-ID: <87zg4ls7lw.fsf@ust.hk> References: <87wmzqk4w9.fsf@a16n.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33923"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 64296@debbugs.gnu.org To: Peter =?UTF-8?Q?M=C3=BCnster?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jun 27 09:12:21 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qE2s8-0008aw-AG for geb-bug-gnu-emacs@m.gmane-mx.org; 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The problem is in the parsing of email headers. According to RFC5322 the "To", "Cc", and "Bcc" headers may contain a comma-separated list of addresses, where an address is either a mailbox or a group. A group is an identifier followed by a list of mailboxes (this list is sandwiched between a colon and a semi-colon). For example in your case the identifier is "undisclosed-recipients" and the list of mailboxes is empty. It appears that this group syntax for these headers is simply not implemented. I have tried a quick hack to get this working. Can you replace `ietf-drums-parse-addresses' with the function definition below and see if that works? I have only done some very rudimentary testing so it is possible that it fails to properly parse some existing headers. #+begin_src emacs-lisp (defun ietf-drums-parse-addresses (string &optional rawp) "Parse STRING and return a list of MAILBOX / DISPLAY-NAME pairs. If RAWP, don't actually parse the addresses, but instead return a list of address strings." (if (null string) nil (with-temp-buffer (ietf-drums-init string) (let ((beg (point)) pairs c address) (while (not (eobp)) (setq c (char-after)) (cond ((eq c '?:) (setq beg (1+ (point))) (skip-chars-forward "^;") (when-let ((address (condition-case nil (ietf-drums-parse-addresses (buffer-substring beg (point)) rawp) (error nil)))) (if (listp address) (setq pairs (append address pairs)) (push address pairs))) (forward-char 1) (setq beg (point))) ((memq c '(?\" ?< ?\()) (condition-case nil (forward-sexp 1) (error (skip-chars-forward "^,")))) ((eq c ?,) (setq address (if rawp (buffer-substring beg (point)) (condition-case nil (ietf-drums-parse-address (buffer-substring beg (point))) (error nil)))) (when (or (consp address) (and (stringp address) (< 0 (length address)= ))) (push address pairs)) (forward-char 1) (setq beg (point))) (t (forward-char 1)))) (setq address (if rawp (buffer-substring beg (point)) (condition-case nil (ietf-drums-parse-address (buffer-substring beg (point))) (error nil)))) (when (or (consp address) (and (stringp address) (< 0 (length addre= ss)))) (push address pairs)) (nreverse pairs))))) #+end_src --=20 Andrew Cohen