Re: [BUG] Saving attachments containing UTF-8 chars

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+From: Ethan Glasser-Camp <ethan.glasser.camp@gmail.com>\r
+To: Ethan Glasser-Camp <ethan.glasser.camp@gmail.com>,\r
+       Tomi Ollila <tomi.ollila@iki.fi>,\r
+       Michael Stapelberg <michael+nm@stapelberg.de>, notmuch@notmuchmail.org\r
+Subject: Re: [BUG] Saving attachments containing UTF-8 chars\r
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+Date: Sun, 18 Nov 2012 13:02:55 -0500\r
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+\r
+Ethan Glasser-Camp <ethan.glasser.camp@gmail.com> writes:\r
+\r
+> Writing this buffer using C-x C-w encodes it correctly too. So I think\r
+> this is an emacs MIME problem. We call mm-save-part, which calls\r
+> mm-save-part-to-file, which calls mm-with-unibyte-buffer. Hmm..\r
+>\r
+> Indeed, it seems that inserting this character into a file that's been\r
+> marked "unibyte" using (set-buffer-multibyte nil) turns it into the ^Y\r
+> character (ASCII code 0x19 -- the character that comes out in the patch\r
+> file). There's probably a technical reason that this should be true, but\r
+> I can't think of why that would be.\r
+\r
+The more I think about this, the more convinced I become that this is a\r
+bug in emacs's multibyte handling. I've filed a bug, see:\r
+\r
+http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12925\r
+\r
+But I think Tomi's going to formalize his hacky patch and send that out\r
+later too. When he does, it has my +1.\r
+\r
+Ethan\r