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Re: [PATCH] Document imperfections in POSIX/sh compatibility

dana wrote on Sat, Apr 10, 2021 at 18:31:31 -0500:
> Lawrence bumping 47794 reminded me of this. Someone on IRC was trying to use
> zsh as sh and they were very annoyed to learn that the sh emulation has
> imperfections that aren't really documented anywhere. I said i would add a
> mention. Let me know if this is editorialising it too much
> dana
> diff --git a/Doc/Zsh/compat.yo b/Doc/Zsh/compat.yo
> index f1be15fee..a09187918 100644
> --- a/Doc/Zsh/compat.yo
> +++ b/Doc/Zsh/compat.yo
> @@ -74,3 +74,8 @@ tt(PROMPT_SUBST)
>  and
>  options are set if zsh is invoked as tt(ksh).
> +
> +Please note that zsh's emulation of other shells, as well as the degree
> +of its POSIX compliance, is provided on a `best effort' basis.  Full
> +compatibility is not guaranteed, and is not necessarily a goal of the
> +project.

I'm concerned that saying "is not necessarily a goal of the project"
might discourage people from even reporting bugs in the first place.
No objection to setting expectations, of course, but could we phrase it
differently?  E.g., by documenting a list of known incompatibilities
that won't be fixed?

Sorry for going off-topic ;-)



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