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

From: Paul Pogonyshev <[email-masked]>
Date: Wed, 16 Mar 2022 00:29:11 +0100

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