bug#65058: 30.0.50; `find-function' can find wrong function due to implicit completion while exiting minibuffer

[Eli Zaretskii <eliz@gnu.org>]

Ping!  Stefan, any comments?

> Cc: 65058@debbugs.gnu.org
> Date: Sat, 05 Aug 2023 08:34:51 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > Date: Fri, 4 Aug 2023 21:46:12 +0200
> > From:  Jens Schmidt via "Bug reports for GNU Emacs,
> >  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> > 
> > Start from emacs -Q
> > 
> > M-x find-function RET shell-mode RET
> > 
> > Pops you to sh-mode.  Or
> > 
> > M-x find-function RET vc-create-repo RET
> > 
> > Pops to vc-git-create-repo.
> > 
> > Which can be confusing.
> > 
> > Maybe completion in `find-function-read' should be done like this:
> > 
> > diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
> > index bf890fc35a9..d393ccc759a 100644
> > --- a/lisp/emacs-lisp/find-func.el
> > +++ b/lisp/emacs-lisp/find-func.el
> > @@ -591,7 +591,7 @@ find-function-read
> >       (list (intern (completing-read
> >                      (format-prompt "Find %s" symb prompt-type)
> >                      obarray predicate
> > -                   t nil nil (and symb (symbol-name symb)))))))
> > +                   'lambda nil nil (and symb (symbol-name symb)))))))
> > 
> >   (defun find-function-do-it (symbol type switch-fn)
> >     "Find Emacs Lisp SYMBOL in a buffer and display it.
> > 
> > Ripped the symbol `lambda' from the completion of `load-file', not sure
> > whether there is any better symbol.
> > 
> > Present in Emacs 29 as well.
> 
> Stefan, any comments (to the problem and the proposed solution)?
> 
> 
> 
>