Lao Sign Pali Virama and vowels above

[Richard Wordingham via Unicode]

On Mon, 20 May 2019 22:53:36 +0100
Richard Wordingham via Unicode <unicode at unicode.org> wrote:

> MS Edge is currently giving me dotted circles for the sequences
> <U+0EBA, U+0EB8 LAO VOWEL SIGN U> and <U+0EBA, U+0EB9 LAO VOWEL SIGN
> UU>.  I trust this is just a temporary aberration.  

Also with the sequence <U+0EBA, U+0EB4 LAO VOWEL SIGN I>, as in the
nominative singular ສັນທິຕ຺ຖ຺ິໂກ of ສັນທິຕ຺ຖ຺ິກະ, which transliterates
as sandiṭṭhika.  This last example displays perfectly well on HarfBuzz
renderers. 

Richard.