GNU bug report logs - #63837
29.0.91; delete-forward-char error with composed text

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#63837: closed (29.0.91; delete-forward-char error with
 composed text)
Date: Fri, 02 Jun 2023 14:31:02 +0000

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Your message dated Fri, 02 Jun 2023 17:30:47 +0300
with message-id <83v8g69bs8.fsf <at> gnu.org>
and subject line Re: bug#63837: 29.0.91; delete-forward-char error with composed text
has caused the debbugs.gnu.org bug report #63837,
regarding 29.0.91; delete-forward-char error with composed text
to be marked as done.

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From: Thiago Melo <tmdmelo <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.91; delete-forward-char error with composed text
Date: Fri, 2 Jun 2023 10:42:29 +0000

* How to reproduce:

0. Start emacs with `emacs -Q'
1. Create some text composition, e.g. eval: `(insert (compose-chars ?+))'
2. Move cursor to before composed character
3. `M-x delete-forward-char' or press <delete> key

* Backtrace:

Debugger entered--Lisp error: (wrong-type-argument sequencep t)
  lgstring-glyph-boundary(t 1 2)
  delete-forward-char(1 nil)
  funcall-interactively(delete-forward-char 1 nil)
  call-interactively(delete-forward-char nil nil)
  command-execute(delete-forward-char)

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Thiago Melo <tmdmelo <at> gmail.com>
Cc: rpluim <at> gmail.com, 63837-done <at> debbugs.gnu.org
Subject: Re: bug#63837: 29.0.91; delete-forward-char error with composed text
Date: Fri, 02 Jun 2023 17:30:47 +0300

> From: Thiago Melo <tmdmelo <at> gmail.com>
> Date: Fri, 2 Jun 2023 13:42:19 +0000
> Cc: Robert Pluim <rpluim <at> gmail.com>, 63837 <at> debbugs.gnu.org
> 
> On Fri, Jun 2, 2023 at 12:48 PM Eli Zaretskii <eliz <at> gnu.org> wrote:
> > I fixed that on emacs-29.
> 
> Thanks, Eli.  It also works for me.

Thanks, closing the bug.

> I also saw the related Bug#56237.  From what I could test, it seems
> your fix doesn't cause a regression in their use case.  Right? (eg,
> when deleting the text "ரு போ").

The current fix didn't touch that case, it only touched the case of
static compositions, not automatic compositions.

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