From: Philippe Verdy (verdy_p@wanadoo.fr)
Date: Thu Apr 13 2006 - 01:15:16 CST
I note that the Unicode 5.0 BETA charts (d1) do not indicate any canonical decomposition for composite vowel signs, like they exist in Devanagari, especially for those that have a right-hand part. Won't that cause difficulties in implementations?
Shouldn't they be given canonical equivalents (also reflected also in their balinese names ?) This would also avoid two possible confusable encodings (for IDN or other similar apps), given that they will be rendered the same, and may be understood idetically by people, including when composing texts on keyboards where these complex signs may be entered in a decomposed way, instead ofa single keystroke for the composite ; this would probably simplify the design of Balinese keyboards for those long vowels, given that this would avoid requiring more separate positions only for them, and the fact they could be entered equivalently in a decomposed way using only "short" vowels. An advanced keyboard or an editor may recompose them on the fly using simply the canonical decompositions
This concerns the following five vowel signs:
* U+1B3B = <U+1B3A ; U+1B35>
BALINESE VOWEL SIGN RA REPA TEDUNG (vocalic rr) =
BALINESE VOWEL SIGN RA REPA (vocalic r) +
BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B3D = <U+1B3C ; U+1B35>
BALINESE VOWEL SIGN LA LENGA TEDUNG (vocalic ll) =
BALINESE VOWEL SIGN LA LENGA (vocalic l) +
BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B40 = <U+1B3E ; U+1B35>
BALINESE VOWEL SIGN TALING TEDUNG (o) =
BALINESE VOWEL SIGN TALING (e) +
BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B41 = <U+1B3E ; U+1B35>
BALINESE VOWEL SIGN TALING REPA TEDUNG (au) =
BALINESE VOWEL SIGN TALING REPA (ai) +
BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B43 = <U+1B42 ; U+1B35>
BALINESE VOWEL SIGN TALING PEPET TEDUNG (oe) =
BALINESE VOWEL SIGN TALING PEPET (ae) +
BALINESE VOWEL SIGN TEDUNG (aa)
Philippe.
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