bug#55491: All completion fragments get added to obarray

[Lars Ingebrigtsen]

JD Smith <jdtsmith@gmail.com> writes:

>  (intern-soft "ohno") <C-M-x> -> nil
>  (ohno <M-TAB>                -> No match
>  (intern-soft "ohno") <C-M-x> -> ohno :(
>
> This has the result that, e.g.:
>
>  (test-completion "ohno" obarray nil) <C-M-x> ; t!  Sigh
>
> will always return t during completion, for any completed fragment.
> For completion systems that complete against obarray
> (e.g. emacs-lisp), this is obviously undesirable.

Completion in emacs-lisp-mode doesn't take unbound variables into
account, I think?  So putting stuff into the obarray shouldn't have much
(if any) noticeable effect.

Where do you see anything undesirable as a result of this?

(This behaviour is still present in Emacs 29.)

-- 
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   bloggy blog: http://lars.ingebrigtsen.no