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Re: Bug: Callback to widget set with `zle -Fw <widget>` shouldn't change $LASTWIDGET

X-seq: zsh-workers 50982
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Marlon Richert <marlon.richert@xxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: Bug: Callback to widget set with `zle -Fw <widget>` shouldn't change $LASTWIDGET
Date: Wed, 16 Nov 2022 10:24:51 -0800
Archived-at: <https://zsh.org/workers/50982>
In-reply-to: <CAHLkEDuuosi7udHsQ9uaBRcv5poEUU_i1iSRGgEXFbtBkzHQOQ@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAHLkEDuuosi7udHsQ9uaBRcv5poEUU_i1iSRGgEXFbtBkzHQOQ@mail.gmail.com>

On Wed, Nov 16, 2022 at 7:08 AM Marlon Richert <marlon.richert@xxxxxxxxx> wrote:
>
> Currently, when the ZLE calls a widget set with `zle -Fw <widget>`,
> this changes the value of $LASTWIDGET.

Hrm, normally (running "zle WIDGET ..." explicitly) this would be
skipped (unless "zle WIDGET -w ...").  Too bad -w was overloaded in
this way.  It's not technically overloading because it's used in
different contexts, but mnemonically at least it could be confusing
that "zle -Fw FD WIDGET" and "zle WIDGET -w" would seem to have
inverted meanings of -w if we were to change the default behavior of
-F.

Of course it's also "-Fw" as a single "option", not "-F -w", so we
can't even do something like "zle -F +w" to indicate the desired
behavior.

Follow-Ups:
- Re: Bug: Callback to widget set with `zle -Fw <widget>` shouldn't change $LASTWIDGET
  - From: Marlon Richert

References:
- Bug: Callback to widget set with `zle -Fw <widget>` shouldn't change $LASTWIDGET
  - From: Marlon Richert

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