Re: ISO 8859-11 (Thai) cross-mapping table

From: Doug Ewell (
Date: Sat Oct 05 2002 - 17:52:06 EDT

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    Elliotte Rusty Harold <elharo at metalab dot unc dot edu> wrote:

    >> You can get Unicode-format mapping tables for TIS 620 and many other
    >> encodings at
    > Thanks. Looking at that, it appears the mapping is imperfect. There
    > are about 10 characters in TIS-620 that are mapped to the Unicode
    > replacement character. This is from 1998 though. Has Unicode's Thai
    > support improved any in later versions?

    These 9 code positions (0xA0, 0xDB..0xDE, 0xFC..0xFF) appear to be
    undefined in TIS 620.2533. Reference [3] below does show a "word
    separator character" at 0xDC, which I interpret as U+200B ZERO WIDTH
    SPACE, but the other positions are still undefined. So this may not be
    a case of Unicode having to play catch-up with the Thai standard.

    -Doug Ewell
     Fullerton, California


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