Fallback for Sinhala Consonant Clusters

[Harshula via Unicode]

Hi Richard,

On 16/10/18 6:57 am, Richard Wordingham via Unicode wrote:
> On Tue, 16 Oct 2018 02:47:36 +1100
> Harshula via Unicode <unicode at 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.

If you haven't already, it's best you read SLS 1134:2011:
http://www.language.lk/en/download/standards/

or the older SLS 1134:2004:
http://unicode.org/wg2/docs/n2737.pdf

cya,
#