Re: Unicode 5.0 decompositions of Balinese vowel signs with tedung

From: Philippe Verdy (verdy_p@wanadoo.fr)
Date: Thu Apr 13 2006 - 01:42:38 CST

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Similar question for independant vowels with tedung:
* U+1B06 = <U+1B05 ; U+1B35>
  BALINESE LETTER AKARA TEDUNG (aa) =
  BALINESE LETTER AKARA (a) +
  BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B08 = <U+1B07 ; U+1B35>
  BALINESE LETTER IKARA TEDUNG (ii) =
  BALINESE LETTER IKARA (i) +
  BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B0A = <U+1B09 ; U+1B35>
  BALINESE LETTER IKARA TEDUNG (uu) =
  BALINESE LETTER IKARA (u) +
  BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B0C = <U+1B0B ; U+1B35>
  BALINESE LETTER RA REPA TEDUNG (vocalic rr) =
  BALINESE LETTER RA REPA (vocalic r) +
  BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B0E = <U+1B0D ; U+1B35>
  BALINESE LETTER LA LENGA TEDUNG (vocalic ll) =
  BALINESE LETTER LA LENGA (vocalic l) +
  BALINESE VOWEL SIGN TEDUNG (aa)
* U+1B12 = <U+1B11 ; U+1B35>
  BALINESE LETTER OKARA TEDUNG (au) =
  BALINESE LETTER OKARA (o) +
  BALINESE VOWEL SIGN TEDUNG (aa)

Note the variant glyph for the tedung on U+1B0E (vocalic ll), attached at a lower point, as shown in the beta chart. Is the chart correct, or is the normal tedung glyph possible also for what could be only a recommanded and common, but optional ligature?

----- Original Message -----
From: "Philippe Verdy" <verdy_p@wanadoo.fr>
To: <unicode@unicode.org>
Sent: Thursday, April 13, 2006 9:15 AM
Subject: Unicode 5.0 decompositions of Balinese vowel signs with tedung

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?

(...)
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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