Shynur Xie <one.last.kiss@outlook.com> writes:

> The function `read-multiple-choice' always display a '?' in the
> prompt.  E.g.,
>
>     (read-multiple-choice "prompt" '((?a "alpha")))
>     ;; prompt (alpha, ?):
>                       ^
>             How can I discard it?
>
> Moreover, if evaluating
>
>     (read-multiple-choice "prompt" '((?? "question")))
>     ;; prompt (? question, ?):
>                ^           ^
>          How to distinguish them?

That behaviour is currently hard-coded, but it would be easy to patch: