Re: Emacs 23 character code space

[Kenichi Handa]

In article <address@hidden>, Stefan Monnier <address@hidden> writes:

> > What exactly is meant here by ``8-bit characters''?  Do you mean
> > eight-bit raw bytes, or do you mean Unicode characters whose
> > codepoints are below 256?

> It should be eight-bit raw bytes.  In some cases it's difficult to tell
> the difference, so Emacs may occasionally accept latin-1 chars as stand
> ins for eight-bit raw bytes.

I classified characters into ASCII chars, non-ASCII chars,
and 8-bit chars at the beginning of "@node Text
Representations".  And, unibyte text can contain ASCII and
8-bit chars, multibyte text can contain all chars.

> I think we should state somewhere that unibyte strings and buffers
> contain bytes only.  And that multibyte strings and buffers contain
> chars.  And that bytes are a subset of chars.

I'm not sure that is good as far as the Lisp reader returns
a unibyte string from "abc".

---
Kenichi Handa
address@hidden