Re: unicode format

From: Mark Davis (mark.davis@jtcsv.com)
Date: Mon Feb 23 2004 - 10:16:48 EST

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    It is important to distinguish two cases: (a) which UTF one should emit in web
    pages , (b) which UTF one should use for internal processing. There is a tech
    note about this at http://www.unicode.org/notes/tn12/

    Mark
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    ----- Original Message -----
    From: "John Cowan" <cowan@ccil.org>
    To: "steve" <steve@appliedlanguage.com>
    Cc: <unicode@unicode.org>
    Sent: Mon, 2004 Feb 23 04:50
    Subject: Re: unicode format

    > steve scripsit:
    >
    > > Could someone please clarify the difference between UTF8 and UFT16
    > > please? If it is possible to encode everything in UTF8 and it is more
    > > efficient what is the need for UTF16?
    >
    > The short version is that in UTF-8, characters can occupy 1, 2, 3, or
    > (very rarely) 4 bytes; in UTF-16, characters can occupy 2 or (very
    > rarely) 4 bytes. Either encoding can be used with any textual content.
    >
    > UTF-8 is typically more compact than UTF-16 for English and other
    > Latin-alphabet languages, slightly more compact for Greek, Cyrillic,
    > Armenian, Hebrew, and Arabic alphabets, and almost 50% less compact
    > for everything else.
    >
    > --
    > John Cowan jcowan@reutershealth.com http://www.ccil.org/~cowan
    > O beautiful for patriot's dream that sees beyond the years
    > Thine alabaster cities gleam undimmed by human tears!
    > America! America! God mend thine every flaw,
    > Confirm thy soul in self-control, thy liberty in law!
    > -- one of the verses not usually taught in U.S. schools
    >
    >



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