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Re: Why is an 'x' appended in _prefix completer?

X-seq: zsh-workers 51538
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Mikael Magnusson <mikachu@xxxxxxxxx>
Cc: Marlon Richert <marlon.richert@xxxxxxxxx>, Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: Why is an 'x' appended in _prefix completer?
Date: Wed, 8 Mar 2023 09:48:45 -0800
Archived-at: <https://zsh.org/workers/51538>
In-reply-to: <CAHYJk3TpbOxurP-gVBsKLRj8NayCCVJENOK37c5UrDo6fvFQYw@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAHLkEDtGLGnA9XcRY9hgzKjKWyVmCPFVBi-a-HXN7wrTKFQKtA@mail.gmail.com> <CAHYJk3TpbOxurP-gVBsKLRj8NayCCVJENOK37c5UrDo6fvFQYw@mail.gmail.com>

On Wed, Mar 8, 2023 at 4:49 AM Mikael Magnusson <mikachu@xxxxxxxxx> wrote:
>
> See the comment above addx() in zle_tricky.c and get_comp_string() (i
> don't actually recommend looking at this code).

I always wondered why Sven chose to use "x" instead of, say, something
out-of-band / non-printable.  I guess with metafication etc. maybe
there wasn't any such thing.

Anyway, as I recall it, the point of the extra character is to help
completion distinguish the position of word breaks when completing
somewhere other than at end of line.

Follow-Ups:
- Re: Why is an 'x' appended in _prefix completer?
  - From: Peter Stephenson

References:
- Why is an 'x' appended in _prefix completer?
  - From: Marlon Richert
- Re: Why is an 'x' appended in _prefix completer?
  - From: Mikael Magnusson

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