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

[Drew Adams]

> > I said "reads a `characterp' character", meaning reads an event
> > that satisfies `characterp'. Apparently the functions whose names
> > or doc suggests that they read a character do not necessarily
> > return something that satisfies `characterp'.
> 
> A character with modifiers doesn't satisfy characterp, but it is still a
> character (which read-char can return).

Yes, well, that's what I found a bit confusing wrt the
doc and function names. It wasn't (isn't?) too clear
just what we mean by "character", in that case.