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Re: Convert UTF-8


From: Xah Lee
Subject: Re: Convert UTF-8
Date: Wed, 17 Dec 2008 04:04:17 -0800 (PST)
User-agent: G2/1.0

On Dec 17, 12:41 am, YOUNG <breadn...@gmail.com> wrote:
> Well, I have no problem to load UTF-8 file with emacs at all.
>
> The problem is that emacs is not able to write UTF-8 at all.
>
> For example, if a file is encoded in ASCII (or, CP437, or ISO 8859 or
> Latin 1 to 9; there are various aliases to indicating of it, but you
> already know what it means.), I set it up with M-x set-buffer-file-
> coding-system for writing utf-8 encoding. And, write (or save) it.
> After that, exit the emacs and re-run it again, and try to read the
> saved file to be expected UTF-8 encoding, but it reads again in ASCII.
> It does not mean emacs can't read utf-8, but the file itself is not
> encoded UTF-8. I check the file's encoding system with other
> application like NotePAD++ or other editors, and all say the file is
> still ASCII mode even though I write it as utf-8 in emacs.
>
> Again, there is no problem in reading utf-8. When a file is encoded
> utf-8 correctly, emacs reads/writes it in utf-8. It's good. However,
> emacs is not able to write utf-8 if the file is encoded in ASCII. It
> only writes in ASCII encode no matter how I do "set-buffer-file-coding-
> system"
>
> So, if somebody knows this issue and how to write utf-8 correctly when
> a file is encoded in ISO8859 (or CP437 or ASCII), and if you share the
> information, it would be appreciated.
>
> Thanks,

as other have mentioned, utf-8 is just a super set of ascii, so files
encoded in either are identical.

You mentioned ISO8859, which is not ascii. I read your 2 posts, but
don't quite understand what you wanted.

For some unicode with emacs tips, you might checkout:

• Emacs and Unicode Tips
  http://xahlee.org/emacs/emacs_n_unicode.html

You might also beefup understanding of char encoding:

http://en.wikipedia.org/wiki/ISO8859
http://en.wikipedia.org/wiki/ASCII
http://en.wikipedia.org/wiki/UTF-8

  Xah
∑ http://xahlee.org/

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