On Wed, 29 Aug 2018 21:42:57 +0000 Andrew Glass via Unicode <[email protected]> wrote:
> Thank you Richard and Shriramana for bringing up this interesting > problem. > > I agree we need to fix this. I don’t want to fix this with a font > hack or change to USE cluster rules or properties. I think the right > place to fix this is in the encoding. This might be either a new > character for Tamil Brahmi Puḷḷi — as Shriramana has proposed > (L2/12-226<http://www.unicode.org/L2/L2012/12226-brahmi-two-tamil-char.pdf>) > — or separate characters for Tamil Brahmi Short E and Tamil Brahmi > Short O in independent and dependent forms (4 characters total). I’m > inclined to think that a visible virama, Tamil Brahmi Puḷḷi, is the > right approach. While this would work, please remember that refusing to allow a virama after a vowel also makes USE inappropriate for Khmer and Tai Tham, which use H+consonant rather than consonant+H for subscript final consonants. Richard.
