GNU bug report logs - #54411
German 'ß' is treated as subword start (a capital letter?) in `subword-mode'

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Paul Pogonyshev <pogonyshev <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: German 'ß' is treated as subword start (a capital letter?) in `subword-mode'
Date: Wed, 16 Mar 2022 00:29:11 +0100

[Message part 1 (text/plain, inline)]

To reproduce:

$ emacs --batch --eval "(progn (subword-mode 1) (insert \"fließen\")
(goto-char 1) (forward-word) (print (point)))"

Output:
5

Expected:
8

$ emacs --version
GNU Emacs 27.2.50

[Message part 2 (text/html, inline)]

Message #8 received at 54411 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Paul Pogonyshev <pogonyshev <at> gmail.com>
Cc: 54411 <at> debbugs.gnu.org
Subject: Re: bug#54411: German 'ß' is treated as subword
 start (a capital letter?) in `subword-mode'
Date: Wed, 16 Mar 2022 05:07:59 +0100

Paul Pogonyshev <pogonyshev <at> gmail.com> writes:

> To reproduce:
>
> $ emacs --batch --eval "(progn (subword-mode 1) (insert \"fließen\") (goto-char 1)
> (forward-word) (print (point)))"
>
> Output:
> 5
>
> Expected:
> 8

I think this has been fixed - see Bug#11309, and especially this commit:

beebd2a85e Recognise ß properly as a lower-case letter (bug#11309)
Mattias Engdegård <mattiase <at> acm.org> Wed Dec 9 13:27:16 2020 +0100

I get the expected 8 here.  Can you maybe try with a more recent Emacs
version?

Michael.

Message #13 received at 54411 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Paul Pogonyshev <pogonyshev <at> gmail.com>
Cc: 54411 <at> debbugs.gnu.org
Subject: Re: bug#54411: German 'ß' is treated as subword
 start (a capital letter?) in `subword-mode'
Date: Fri, 01 Apr 2022 02:38:38 +0200

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> I think this has been fixed - see Bug#11309, and especially this commit:
>
> beebd2a85e Recognise ß properly as a lower-case letter (bug#11309)
> Mattias Engdegård <mattiase <at> acm.org> Wed Dec 9 13:27:16 2020 +0100

Paul, any chance you can try again with a newer Emacs?

TIA,

Michael.

Message #16 received at 54411 <at> debbugs.gnu.org (full text, mbox):

From: Paul Pogonyshev <pogonyshev <at> gmail.com>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 54411 <at> debbugs.gnu.org
Subject: Re: bug#54411: German 'ß' is treated as subword start (a capital letter?) in `subword-mode'
Date: Fri, 1 Apr 2022 12:38:30 +0200

[Message part 1 (text/plain, inline)]

Just try the command I provided. If it gives the expected result with new
Emacs, then the bug is fixed.

Paul

On Fri, 1 Apr 2022 at 02:38, Michael Heerdegen <michael_heerdegen <at> web.de>
wrote:

> Michael Heerdegen <michael_heerdegen <at> web.de> writes:
>
> > I think this has been fixed - see Bug#11309, and especially this commit:
> >
> > beebd2a85e Recognise ß properly as a lower-case letter (bug#11309)
> > Mattias Engdegård <mattiase <at> acm.org> Wed Dec 9 13:27:16 2020 +0100
>
> Paul, any chance you can try again with a newer Emacs?
>
> TIA,
>
> Michael.
>

[Message part 2 (text/html, inline)]

Message #21 received at 54411-close <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Paul Pogonyshev <pogonyshev <at> gmail.com>
Cc: 54411-close <at> debbugs.gnu.org
Subject: Re: bug#54411: German 'ß' is treated as subword
 start (a capital letter?) in `subword-mode'
Date: Sat, 02 Apr 2022 04:43:03 +0200

Paul Pogonyshev <pogonyshev <at> gmail.com> writes:

> Just try the command I provided. If it gives the expected result with
> new Emacs, then the bug is fixed.

Yes, it is.  Now

 (string-match "[[:lower:]]" "ß")
    ==> 0

this returned nil in older Emacs versions.  "ß" had been treated as
subword start before that commit beebd2a85e but isn't any more.

So everything seems to work fine now, and I'm thus closing this report.

Thanks,

Michael.

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