Re: Generic base characters

From: Sinnathurai Srivas (
Date: Tue Jul 17 2007 - 18:25:50 CDT

  • Next message: Dean Harding: "RE: Generic base characters"

    Tamil Grammar (Thought to be worlds first written Grammar, Thought to be
    the only Grammar that define a written system (not shapes)).
    I've updated the page with the rule that clearly states how to write "longer
    than longer". see 1.5 and 1.6 at

    It is a Uncode design, to us it is a Unicode bug.

    It is not a problem for Microsoft, they only (and properly) follow Unicode


    ----- Original Message -----
    From: "Andrew West" <>
    To: "Unicode List" <>
    Sent: 18 July 2007 00:08
    Subject: Re: Generic base characters

    On 17/07/07, Sinnathurai Srivas <> wrote:
    > Also Tamil Grammar specifically states that if longer than long vowels are
    > needed then add/accumulate more of the required vowel characters.
    > there for Unicode has a bug, by not allowing Grammar to take charge.

    I don't know about Tamil, but I suspect that this is a rendering issue
    rather than a Unicode design bug.

    In standard Tibetan orthography only a single vowel sign may be
    attached to a consonant stack, but in non-standard orthography used
    for shorthand contractions multiple vowels may be attached to the same
    stack. For example the contraction bskyeeed བསྐྱེེེད <0F56 0F66 0F90
    0FB1 0F7A 0F7A 0F7A 0F51> with three stacked /e/ vowel signs
    represents bskyed bskyed bskyed བསྐྱེད་བསྐྱེད་བསྐྱེད (and I believe
    that forms with four or more stacked vowel signs occur although I
    haven't encountered any such examples yet). On my system this and some
    other multi-vowel stacks such as kii ཀིི <0F40 0F72 0F72> render
    incorrectly with a dotted circle before the last vowel sign. But I
    take this to be a deficiency in the Tibetan fonts available to me
    rather than a design flaw in the Unicode Tibetan model.


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