[Harfbuzz-indic] Unicode vs OpenType: nukta after vowel

[Behdad Esfahbod]

On 06/28/11 16:59, Jonathan Kew wrote:

> For minority-language uses of Devanagari script, I've also seen it used below one or more of the spacing vowel signs - I don't have examples on hand, it could have been any (or all) of AA, II, O, etc.

So, does this only apply to independent vowels, or matras too?  The OpenType
BNF allows applying Nukta to matras too.

behdad