From: Sinnathurai Srivas (sisrivas@blueyonder.co.uk)
Date: Tue Jul 17 2007 - 18:25:50 CDT
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
http://www.araichchi.net/tol/tol-ezuththaihaaram.htm
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
requirements.
Thanks
Sinnathurai
----- Original Message -----
From: "Andrew West" <andrewcwest@gmail.com>
To: "Unicode List" <unicode@unicode.org>
Sent: 18 July 2007 00:08
Subject: Re: Generic base characters
On 17/07/07, Sinnathurai Srivas <sisrivas@blueyonder.co.uk> 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.
Andrew
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