From: Bart Schaefer <schaefer@brasslantern.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: POSIX and PROMPT_BANG
Date: Wed, 27 Sep 2017 16:56:34 -0700 [thread overview]
Message-ID: <CAH+w=7Zn6N-0=bpsXQX-LoVjMa5PT+nWKCVq6G1-13SVjOjRzA@mail.gmail.com> (raw)
By a coincidence I won't bother to explain, it has just come to my
attention that the POSIX spec says (reprhrased in zsh terminology)
that PS1 shall be interpreted as if PROMPT_BANG is set, which we do
not do by default in sh emulation (but do in ksh emulation).
However, it appears PROMPT_BANG is *not* supposed to apply to PS2 or
PS4 (PS3 is unspecified because "select" is not a POSIX feature). Zsh
applies it the same to all prompts.
I'm not advocating doing anything about this, merely making note.
reply other threads:[~2017-09-27 23:56 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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