From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Mark Lillibridge Newsgroups: gmane.emacs.bugs Subject: bug#6574: 24.0.50; Rmail 23 uses a broken mailbox format (mboxo) instead of a sane one like mboxrd Date: Tue, 06 Jul 2010 12:39:15 -0700 Message-ID: Reply-To: mark.lillibridge@hp.com NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1278446411 9222 80.91.229.12 (6 Jul 2010 20:00:11 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 6 Jul 2010 20:00:11 +0000 (UTC) To: 6574@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 06 22:00:08 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OWEJI-0003Cm-1s for geb-bug-gnu-emacs@m.gmane.org; Tue, 06 Jul 2010 22:00:04 +0200 Original-Received: from localhost ([127.0.0.1]:38200 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OWEJG-0002K1-Qj for geb-bug-gnu-emacs@m.gmane.org; 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see http://homepage.ntlworld.com./jonathan.deboynepollard/FGA/mail-mbox-formats.html for all the details. Examining unrmail.el from Gnu emacs 24.0.50.1 (lines 228-231): ;; ``Quote'' "\nFrom " as "\n>From " ;; (note that this isn't really quoting, as there is no requirement ;; that "\n[>]+From " be quoted in the same transparent way.) clearly shows that Rmail 23 is using the mboxo format. Unfortunately, this is known to be a bad format because it irreversibly alters messages. I strongly recommend switching to a format like mboxrd, which does not have this problem. (In particular, any line in a message body starting with "From " is changed to ">From " in a nonreversible manner; this will screw up MIME attachments, among other things, with nonzero probability.) - Mark PS, the documentation needs to explain which mbox format is used, rather than saying "the standard mbox format", of which there is no such thing.