Subject: bug#68477: closed (Re: bug#68477: 29.1; bibtex-braced-string-syntax-table should handle non-ASCII parentheses)

From: [email-masked] (GNU bug Tracking System)
Date: Tue, 07 Jan 2025 19:52:03 +0000

Your bug report

#68477: 29.1; bibtex-braced-string-syntax-table should handle non-ASCII parentheses

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
68477: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=68477
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#68477: 29.1; bibtex-braced-string-syntax-table should handle non-ASCII parentheses
From: Roland Winkler <[email-masked]>
To: Eli Zaretskii <[email-masked]>
Cc: [email-masked], [email-masked]
Date: Tue, 07 Jan 2025 13:50:58 -0600
List-Id: <debbugs-submit.debbugs.gnu.org>

On Fri, Jan 03 2025, Roland Winkler wrote:
> On Fri, Jan 03 2025, Eli Zaretskii wrote:
>> Also, does map-char-table provide you with the means to do what is
>> needed for bibtex?  Syntax table is a char-table, so if you want to do
>> something with all the characters of a certain syntax, you can do that
>> using map-char-table, I think.
>
> Thanks, yes, map-char-table should be exactly what is needed for
> bibtex-braced-string-syntax-table: for any non-ascii character where
> char-syntax says it belongs to the syntax class of parenthesis
> characters, its syntax needs to be changed to punctuation.

Thanks again, map-char-table solved the problem.

Commit 1ef7deb2f72

Closing.

Subject: 29.1; bibtex-braced-string-syntax-table should handle non-ASCII parentheses
From: Joost Kremers <[email-masked]>
To: [email-masked]
Date: Mon, 15 Jan 2024 17:43:50 +0100
List-Id: <debbugs-submit.debbugs.gnu.org>

Consider the following BibTeX entry:

```
@article{Title,
  title = {{Title}},
  author = {Author},
  year = 1970,
  abstract = {（},
  journal = {Journal},
}
```

Note that the `abstract` field has a single opening FULLWIDTH OPENING
PARENTHESIS (code point #xff08), not the (ASCII) LEFT PARENTHESIS. bibtex-mode
cannot parse this entry correctly. (Do, e.g., `C-c C-c` on the entry, bound to
`bibtex-clean-entry` and you'll get a user error "Syntactically incorrect BibTeX
entry starts here".)

If the field contains an unmatched LEFT PARENTHESIS (code point #x28),
bibtex-mode has to trouble parsing the entry.

This is ultimately due to the fact that `bibtex-braced-string-syntax-table`
contains an entry for the ASCII parentheses, setting them to 'punctuation', but
there is no similar entry for non-ASCII parentheses. 

In GNU Emacs 29.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo
version 1.17.8)
Windowing system distributor 'The X.Org Foundation', version 11.0.12302003
System Description: Arch Linux

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-- 
Joost Kremers
Life has its moments