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Re: Should (z) PE flag split & during expansion?

X-seq: zsh-workers 51829
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Zaidhaan Hussain <zaidhaan@xxxxxxx>
Cc: zsh-workers@xxxxxxx
Subject: Re: Should (z) PE flag split & during expansion?
Date: Mon, 5 Jun 2023 13:01:21 -0700
Archived-at: <https://zsh.org/workers/51829>
In-reply-to: <rfqgtwa77p6aklvn6y4pcx2zu4jwmkd7f4cw44ygmtzj55izi6@au6wtpuvowe6>
List-id: <zsh-workers.zsh.org>
References: <rfqgtwa77p6aklvn6y4pcx2zu4jwmkd7f4cw44ygmtzj55izi6@au6wtpuvowe6>

On Fri, Jun 2, 2023 at 11:00 PM Zaidhaan Hussain <zaidhaan@xxxxxxx> wrote:
>
> printf '<%s>' ${(z)${:-'!-2:&'}}
> <!-2:><&>
>
> Which does not make sense if we consider that & is valid in parameter
> expansions.

History references are entirely separate from shell syntax -- they are
an interactive-use-only feature vaguely similar to macro expansion.
The (z) flag doesn't account for them at all, and really cannot.

References:
- Should (z) PE flag split & during expansion?
  - From: Zaidhaan Hussain

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