Re: [unicode] RE: Level of Unicode support required for various languages

Date: Thu Oct 25 2007 - 20:27:35 CDT

  • Next message: Anto'nio Martins-Tuva'lkin: "Re: Level of Unicode support required for various languages"


    On Thu, 25 Oct 2007 08:10:11 -0700
    Peter Constable <> wrote:
    >From: [] On Behalf Of
    >> You certianly support for plane 2 characters, some really obsurce
    >> Chinese characters are in the BMP, but some very useful ones are in
    >> plane 2.
    >I wonder if you could elaborate. We hear that CJK users typically
    >use well under 10K characters, and for years there have been
    >implementations using character sets that didn't include any of
    >the Plane 2 characters and that, evidently, were adequate for
    >lots of usage. So, it's not obvious that Plane 2 characters
    >would be needed in all application scenarios.

    Taking a glance on CJK TrueType fonts bundled to Microsoft
    Windows Vista, the number of Plane 2 ideographs show remarkable
    difference between the fonts for PRC/Taiwan and for Japan.
    SIMSUN (for PRC) and MINGLIU (for Taiwan) have over 30000
    glyphs and supplemental font files inlcuding Plane 2 only,
    but the number of glyph in MSMINCHO (for Japan, including
    Plane 2 characters) is about 19000. Yet I've not checked the
    fonts for Korean.

    I guess the large number of characters in fonts for PRC is
    important to be GB18030-savvy, but I'm not sure if there's
    any legal pressure to increase the number of character in
    the fonts for Taiwanese market. If anybody know, please let
    me know


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