bug#4751: 23.1; `read-char' inserts accented chars when you use `M-' modifier

[Drew Adams]

> read-char is a very low-level function, and it has many quirks in
> this respect (it doesn't perform all the keyboard decoding usually
> performed for read-key-sequence).
> Fixing them is generally very difficult.
> 
> That's why I introduced `read-key'.  I don't guarantee that it'll fix
> your problems, but if you can try and use it and tell us of 
> problems you
> find with it, that would be helpful.

Where is it? I don't see it in Emacs 23.1.

What does it do when you hit a such as M-a that corresponds to a non-ASCII char?