bug#60468: 29.0.60; next-history-element places cursosr inconsistently

[Eli Zaretskii <eliz@gnu.org>]

> Cc: 60468@debbugs.gnu.org
> From: Juri Linkov <juri@linkov.net>
> Date: Thu, 05 Jan 2023 19:42:35 +0200
> 
> >         (setq-local minibuffer-temporary-goal-position
> >                     (cond ((<= (point) prompt-end) prompt-end)
> >                           ((eobp) nil)
> >                           (t (point))))))
> >
> >   The unexpected behavior I described earlier is caused by the
> >   first clause in the cond above which treats the cursor at the
> >   end of the prompt with no input to be inside the prompt while
> >   to me it seems better to treat the cursor as being at end of
> >   buffer.
> >
> >   From my own habit, it seem better leave the cursor at the end
> >   of the input unconditionally. Does it makes sense to provide
> >   that at least an option?
> 
> If Eli will agree to an option, then after changing in goto-history-element
> from (<= (point) prompt-end) to (< (point) prompt-end), please also change
> in next-line-or-history-element from (> (point) prompt-end) to
> (>= (point) prompt-end) and in previous-line-or-history-element
> from (> (point) prompt-end) to (>= (point) prompt-end)
> depending on that option.

On master, please.