On Tue, 16 Oct 2018 02:47:36 +1100 Harshula via Unicode <unicode@unicode.org> wrote:
> Note, touching letters are formed by <ZWJ><AL-LAKUNA>, so they should > not be displayed as a fallback for <AL-LAKUNA><ZWJ> conjuncts. I don't follow that. While the conjuncts with r-, -r and -y are very different to pairs of touching letters, the conjuncts for tth, nd, ndr, ndh, kv and tv would be very similar to the hypothetical corresponding touching letters and quite different to the fallbacks with visible al-lakuna. Richard.