bug#54027: Wishlist: Support full CSI u specification for terminal input

[Stefan Monnier]

> Then I must be missing something.  Do you mean this part:
>
>   +    (while (<= #x30 final #x3F)
>   +      (push final params) ;And read more.
>   +      (setq final (read-char)))
>   +    (while (<= #x20 final #x2F)
>   +      (push final intermediates)
>   +      (setq final (read-char)))
>
> This doesn't add all the 96 characters with the modifiers, it only
> adds the digits and the punctuation characters.

The above just reads to "NN;MM" part of the escape sequence which
encodes in decimal the Unicode code point MM of the character and the
4bit encoded NN of the modifiers shift, alt, control, and meta.


        Stefan