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Date: Sat, 18 Jan 2020 19:40:42 +0000
From: "Daniel Shahaf" <d.s@daniel.shahaf.name>
To: "Andrew Reyes" <dsreyes1014@icloud.com>, zsh-workers@zsh.org
Subject: =?UTF-8?Q?Re:_Unset_=E2=80=9Czle=5Fbracketed=5Fpaste=E2=80=9D_.zshrc?=
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Andrew Reyes wrote on Fri, 17 Jan 2020 23:20 +00:00:
> The problem is:=20
> 1) zsh/zle's setup_() assigns the parameter, overwriting existing valu=
es
>=20
> 2) not possible to 'unset' the parameter before zsh/zle is loaded.

@Andrew thanks for the report.  Let me spell out the symptoms for the li=
st:

In zshrc, =C2=ABtypeset -a zle_bracketed_paste=3D('' '')=C2=BB and =C2=AB=
unset
zle_bracketed_paste=C2=BB have no effect if done before zsh/zle has been=

loaded, because of zsh/zle's setup_() unconditionally assigns to the
parameter, even if it already exists and has a non-null value.

I looked into this yesterday, and guarding the assignaparam() call with
a paramtab->getnode() !=3D NULL fixes the case that the variable is
already set by the time zsh/zle is loaded (e.g., if it's set in zshrc).
However, I haven't been able to make =C2=ABunset zle_bracketed_paste=C2=BB=
  have
any lasting effect if done before zsh/zle is loaded.  Is that achievable=
?