From: "Michał Kondraciuk" <k.michal@zoho.com>
To: 32278@debbugs.gnu.org
Subject: bug#32278: 27.0.50; replace-buffer-contents calls change functions with wrong arguments
Date: Wed, 25 Jul 2018 18:17:53 +0200 [thread overview]
Message-ID: <96205085-151d-5021-d0bc-44b22df363cf@zoho.com> (raw)
When I evaluate the sexp below in emacs -Q, I get unexpected arguments
passed to change functions.
(with-current-buffer "*scratch*"
(erase-buffer)
(insert "foo")
(add-hook 'before-change-functions
(lambda (&rest args) (message "before %s" args)) nil t)
(add-hook 'after-change-functions
(lambda (&rest args) (message "after %s" args)) nil t)
(with-temp-buffer
(insert "ffooo")
(let ((replacement (current-buffer)))
(with-current-buffer "*scratch*"
(replace-buffer-contents replacement)))))
The only messages I get are:
before (4 4)
after (4 6 0)
I would expect something like:
before (1 1) ;before inserting f in front
after (1 2 0) ;after inserting f in front
before (5 5) ;before inserting o at the end
after (5 6 0) ;after inserting o at the end
Or maybe something like this:
before (1 4)
after (1 6 3)
Or anything else that would allow me to incrementally build a buffer
with the same contents as source buffer using just change functions.
Repository revision: c67407e7520a97a92737200bf559c48a927db470
next reply other threads:[~2018-07-25 16:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-25 16:17 Michał Kondraciuk [this message]
2018-07-27 10:06 ` bug#32278: 27.0.50; replace-buffer-contents calls change functions with wrong arguments Eli Zaretskii
2018-07-27 11:24 ` Michał Kondraciuk
2018-07-27 12:28 ` Eli Zaretskii
2021-08-12 13:30 ` Lars Ingebrigtsen
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