From: Tak Kunihiro <homeros.misasa@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Tak Kunihiro <homeros.misasa@gmail.com>,
tkk@misasa.okayama-u.ac.jp, yantar92@gmail.com,
45915@debbugs.gnu.org
Subject: bug#45915: 28.2; delete-char deletes two letters
Date: Sat, 17 Sep 2022 17:20:26 +0900 [thread overview]
Message-ID: <m2pmfuwgxh.fsf@misasa.okayama-u.ac.jp> (raw)
In-Reply-To: <83bkre33pa.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 17 Sep 2022 09:38:57 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> Cc: tkk@misasa.okayama-u.ac.jp, Ihor Radchenko <yantar92@gmail.com>
>> From: Tak Kunihiro <homeros.misasa@gmail.com>
>> Date: Sat, 17 Sep 2022 12:48:56 +0900
>>
>> I see a light.
>> With the following patch, <delete> deletes only a letter.
>>
>> The (org-table-align) inserts string with text properties.
>> It seems that the text properties matter.
>>
>> However, I do not understand what's going on there. Can you take a look
>> (org-table-align) with this hint and revise it in correct way?
>
> Why do you think your proposed change is incorrect?
>
> Rather than asking us to study how org-table works and why it
> misbehaves in this case, would it be possible for some Org expert to
> explain that in simple terms, so that the relation of what happens to
> the relevant core Emacs features could be easier to realize? For
> example, what are the text properties involved in this case, the ones
> that substring-no-properties removes? Is it possible that one of
> these properties is 'composition'?
Dear Eli, thank you for the response. I really want to fix it to
switch to 28.2 from 26.3!
1. Following function will create a problematic org-table.
(defun emacs-bug-reproduce-45915 ()
"Reproduce bug#45915."
(interactive)
(with-current-buffer (get-buffer-create "*temp buffer*")
(erase-buffer)
(require 'org)
(orgtbl-mode 1)
(setq org-table-copy-increment nil)
(insert (format "emacs-version: %s, org-version: %s\n" emacs-version org-version))
(insert "| 1 |"))
(switch-to-buffer-other-window "*temp buffer*")
(execute-kbd-macro (kbd "M-< C-n C-f C-f"))
(message "I will call #'org-table-copy-down.")
(call-interactively #'org-table-copy-down))
;;; (call-interactively 'emacs-bug-reproduce-45915)
2. Buffer is with the 1x2 table as shown below. <delete> deletes one
letter on the first row, and it does two letters on the
second row.
emacs-version: 28.2, org-version: 9.5.5
| 1 |
| 1 |
3. I wonder what is the difference between two lines.
I examined each line with following statement.
(buffer-substring (line-beginning-position) (line-end-position))
line 1 returns: "| 1 |"
line 2 returns: #("| 1 |" 1 2 (display (space :relative-width 1)) 3 4
(display (space :relative-width 1)))
4. Although I do not know how to understand the return for line 2,
I speculated the problem is something to do with text properties.
5. It is (org-table-align) that generates and inserts the second line
with text properties.
6. I tried to remove text-properties from string to be inserted by
(org-table-align) using substring-no-properties (as shown in the
patch). Now, both lines returns the same "| 1 |". Problem disappeared.
7. Since I do not know intention why (org-table-align) wants to give
text properties to tables, I cannot tell the side effect of the patch.
TIA
next prev parent reply other threads:[~2022-09-17 8:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-16 8:01 bug#45915: 27.1; deletechar distorts org-table Tak Kunihiro
[not found] ` <m2k0rtak9x.fsf@misasa.okayama-u.ac.jp>
[not found] ` <87im477xpk.fsf@gnu.org>
[not found] ` <1AD1B9B7-5A15-4F86-9274-B04B83694C85@misasa.okayama-u.ac.jp>
[not found] ` <m135p8pey0.fsf_-_@misasa.okayama-u.ac.jp>
[not found] ` <m1zgpc7qkj.fsf_-_@misasa.okayama-u.ac.jp>
[not found] ` <877dc0sqm6.fsf@localhost>
[not found] ` <m1lf047wn9.fsf@misasa.okayama-u.ac.jp>
[not found] ` <87ilqrusnk.fsf@localhost>
[not found] ` <m15yk1co5p.fsf_-_@misasa.okayama-u.ac.jp>
[not found] ` <m1r10dj86u.fsf_-_@misasa.okayama-u.ac.jp>
2022-09-16 3:59 ` bug#45915: 28.2; delete-char deletes two letters Ihor Radchenko
2022-09-17 3:48 ` Tak Kunihiro
2022-09-17 6:38 ` Eli Zaretskii
2022-09-17 8:20 ` Tak Kunihiro [this message]
2022-09-17 11:17 ` Eli Zaretskii
2022-09-18 5:44 ` Tak Kunihiro
2022-09-18 5:56 ` Eli Zaretskii
2022-09-18 8:05 ` Eli Zaretskii
2022-09-19 1:02 ` Tak Kunihiro
2022-09-22 12:03 ` Ihor Radchenko
[not found] ` <87sfkjaa50.fsf@localhost>
2022-09-22 12:46 ` Eli Zaretskii
2022-09-22 21:36 ` Tak Kunihiro
[not found] ` <20220923.063658.703945866478584943.tkk@misasa.okayama-u.ac.jp>
2022-09-23 6:02 ` Eli Zaretskii
2022-09-19 1:24 ` Tak Kunihiro
2022-09-19 13:27 ` Eli Zaretskii
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