GNU bug report logs - #61037
28.1; mml-attach-buffer on archive-mode

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From: Al Haji-Ali <abdo.haji.ali <at> gmail.com>
To: 61037 <at> debbugs.gnu.org
Subject: bug#61037: 28.1; mml-attach-buffer on archive-mode
Date: Tue, 24 Jan 2023 10:33:48 +0000

Hi,

When calling `mml-attach-buffer` to attach an `archive-mode` buffer, the "wrong" attachment is sent (the archive is not sent). This is because archive-mode adds a file summary to the top of the buffer and restricts the buffer to that summary.

Then in mml.el:645 the line

(insert-buffer-substring (cdr (assq 'buffer cont)))

inserts the buffer content (which is just the summary)

and similarly in mml.el:725
(insert (with-current-buffer (cdr (assq 'buffer cont))
			  (buffer-string)))
                          
(incidentally, I am not sure why `insert-buffer-substring` is not used in mml.el:725)

I can hack my way around this by advising `buffer-string` and `insert-buffer-substring` to handle archive-mode correctly by widening and narrowing to (archive-file-list-start (point-max)), at least when called from `mml-generate-mime-1`, but I was wondering if this should also be fixed somewhere upstream.

Cheers,
-- Al

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