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

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

[Paul Pogonyshev]

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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

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

[Michael Heerdegen]

Paul Pogonyshev <pogonyshev@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@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.

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

[Michael Heerdegen]

Michael Heerdegen <michael_heerdegen@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@acm.org> Wed Dec 9 13:27:16 2020 +0100

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

TIA,

Michael.

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

[Paul Pogonyshev]

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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@web.de>
wrote:

> Michael Heerdegen <michael_heerdegen@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@acm.org> Wed Dec 9 13:27:16 2020 +0100
>
> Paul, any chance you can try again with a newer Emacs?
>
> TIA,
>
> Michael.
>

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

[Michael Heerdegen]

Paul Pogonyshev <pogonyshev@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.