bug#4897: 23.1.50; Info-index and ? in minibuffer

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Sat, 02 Nov 2019 06:25:07 +0100
> Cc: Helmut Eller <eller.helmut@gmail.com>, 4897@debbugs.gnu.org
> 
> >> The key binding for ? in the minibuffer can be very annoying for the
> >> Info-index command.
> >
> > It behaves the same way as in the stand-alone info reader.
> > You can use `C-q ?' for a literal '?'.
> 
> IMO, it would be better to remove the "?" binding.  One could use
> the more natural "TAB" binding instead.
> 
> However, given that this is very long-standing behaviour, can we
> really change it now?  Any opinions?

It is very unusual for an index entry to include the question mark, so
I think the case for the change is quite weak.