bug#32562: 26; `read-char(-exclusive)' and `characterp'

[Eli Zaretskii]

> Date: Mon, 10 Sep 2018 06:43:07 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 32562@debbugs.gnu.org
> 
> I was asking for a function that insists on getting an event that
> satisfies `characterp', i.e., that keeps reading events until it does.

Not sure we have such a beast, but wouldn't calling read-char in a
loop until you get something that passes the 'characterp' test do?