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Re: ksh compatibility: initial value of $_

X-seq: zsh-workers 51657
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: "Jun. T" <takimoto-j@xxxxxxxxxxxxxxxxx>
Cc: zsh-workers@xxxxxxx
Subject: Re: ksh compatibility: initial value of $_
Date: Sat, 15 Apr 2023 15:24:52 -0700
Archived-at: <https://zsh.org/workers/51657>
In-reply-to: <739C36BD-E3A5-40A4-B661-2AC54D32C2C1@kba.biglobe.ne.jp>
List-id: <zsh-workers.zsh.org>
References: <CAH+w=7a5Pk5nk4+k_d7TCcBjE04TwXJTm7Xrre9SYdK_U-hLmQ@mail.gmail.com> <F3EB0C55-C453-4C49-BA7A-7ED3826E43A0@kba.biglobe.ne.jp> <E425509B-3108-4E1F-B141-F3AD767A87D4@kba.biglobe.ne.jp> <D3BAD602-0A05-4581-A49F-92572F38DF02@kba.biglobe.ne.jp> <CAH+w=7YDy2KRAA9WUs=PaVxvb4+TdHigMHqk_a9rtozhdDDHDQ@mail.gmail.com> <2A0716F2-F80B-4357-87AA-0A9881A52CEC@kba.biglobe.ne.jp> <838816ad-0337-452b-94d1-e18a17c33c78@app.fastmail.com> <739C36BD-E3A5-40A4-B661-2AC54D32C2C1@kba.biglobe.ne.jp>

On Wed, Apr 5, 2023 at 11:17 AM Jun. T <takimoto-j@xxxxxxxxxxxxxxxxx> wrote:
>
> Yes, I've been thinking exactly the same thing.
> If we add, say ZSH_EXEPATH, then I think just copying _ from envionment is
> enough.

In Src/params.c, the "_" variable is marked PM_DONTIMPORT.  Is it
worth commenting that this is because it is conditionally imported
elsewhere?

References:
- ksh compatibility: initial value of $_
  - From: Bart Schaefer
- Re: ksh compatibility: initial value of $_
  - From: Jun T
- Re: ksh compatibility: initial value of $_
  - From: Jun T
- Re: ksh compatibility: initial value of $_
  - From: Jun. T
- Re: ksh compatibility: initial value of $_
  - From: Bart Schaefer
- Re: ksh compatibility: initial value of $_
  - From: Jun. T
- Re: ksh compatibility: initial value of $_
  - From: dana
- Re: ksh compatibility: initial value of $_
  - From: Jun. T

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