bug#13649: boobytrapped dired-do-async-shell-command question

[Juri Linkov]

>> >> Maybe this difference is unimportant.  But still remains the need
>> >> to find a key to show help text from yes-or-no-p.  y-or-n-p now
>> >> uses C-h to show help, but in yes-or-no-p C-h is useful as
>> >> a help key prefix.
>> >
>> > Do we need C-h as a prefix key in this case?
>> 
>> C-h is a useful prefix key to get help in the yes-or-no-p minibuffer.
>
> What kind of help?  And how is it different from the help text you
> wanted to show, for which you were looking for a key?

Any help, e.g. `C-h m', `C-h b', ...  But a special key
like `? RET' is needed to display the text from help-form.