From: Eli Zaretskii <eliz@gnu.org>
To: awrhygty@outlook.com
Cc: 53795-done@debbugs.gnu.org
Subject: bug#53795: 27.2; unexpected column change while kbd-macro
Date: Sat, 05 Feb 2022 13:06:21 +0200 [thread overview]
Message-ID: <83mtj51sk2.fsf@gnu.org> (raw)
In-Reply-To: <TYZPR01MB39200703AC7DCDA1DA5DA365C32A9@TYZPR01MB3920.apcprd01.prod.exchangelabs.com> (awrhygty@outlook.com)
> From: awrhygty@outlook.com
> Date: Sat, 05 Feb 2022 18:40:46 +0900
>
> Evaluate the form below, I expect all lines look like "abc".
> But some of the lines look like "cycaby".
>
> (let ((buf (generate-new-buffer "tmp")))
> (switch-to-buffer buf)
> (dotimes (i 100)
> (insert (propertize "x" 'display "ab") "y\n"))
> (goto-char (point-min))
> (end-of-line)
> (execute-kbd-macro "\C-b\C-dc\C-n" 100))
That's because current-column returned an incorrect value when display
strings are used. In the "tmp" buffer, go to the first line, move
cursor to the 'y' character, and type "C-x =" -- you will see that
Emacs thinks this is column 1, not 2.
I've now fixed current-column in this case (on the master branch), so
the above snippet now behaves as expected.
prev parent reply other threads:[~2022-02-05 11:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-05 9:40 bug#53795: 27.2; unexpected column change while kbd-macro awrhygty
2022-02-05 11:06 ` Eli Zaretskii [this message]
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