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Subject: Re: Zsh 5.9 Tab Completion Bug
Date: Mon, 7 Nov 2022 18:09:32 +0900
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> 2022/11/07 3:09, Bart Schaefer <schaefer@brasslantern.com> wrote:
> 
> 50325 was about an off-by-one error in matcher-list comparisons.
> Given that "s" is becoming "T", I'm betting that is in fact the
> problem.

The problem exists in zsh-5.9 with
zstyle ':completion:*' matcher-list '' 'm:{a-zA-Z}={A-Za-z}'

It has been fixed by 50325.