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Re: Why does {..} expansion using 'bindkey' quoting, but {,} and BRACE_CCL don't quote at all?

X-seq: zsh-workers 49241
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Marlon Richert <marlon.richert@xxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: Why does {..} expansion using 'bindkey' quoting, but {,} and BRACE_CCL don't quote at all?
Date: Wed, 4 Aug 2021 08:52:31 -0700
Archived-at: <https://zsh.org/workers/49241>
In-reply-to: <CAHLkEDsib=h6_44ZO0CBC-XxbbPi7Wvypi8JKwaRa1uS9uK__w@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAHLkEDsib=h6_44ZO0CBC-XxbbPi7Wvypi8JKwaRa1uS9uK__w@mail.gmail.com>

On Wed, Aug 4, 2021 at 12:05 AM Marlon Richert <marlon.richert@xxxxxxxxx> wrote:
>
> Is there a reason for this inconsistency? Why not always produce
> quoted or unquoted output?
>
> Also, why bindkey-style quoting? Wouldn't ${(q+)}-style quoting be
> more convenient, since it's more straightforward to "unquote"?

The answer to "why doesn't feature A take advantage of feature B" is
often "because A was developed long before B".

I believe that's the case in both instances here.  BRACE_CCL and {x,y}
existed before {a..z}, and {a..z} existed before $'..'.  Old code was
never updated to be consistent with newer code, either from simply
being overlooked, or for backwards compatibility.

Follow-Ups:
- Re: Why does {..} expansion using 'bindkey' quoting, but {,} and BRACE_CCL don't quote at all?
  - From: Marlon Richert

References:
- Why does {..} expansion using 'bindkey' quoting, but {,} and BRACE_CCL don't quote at all?
  - From: Marlon Richert

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