In fact, there is one more sequence to consider. Kartika in Windows follows <NA, VIRAMA, ZWJ, RRA> for NTA. However, the existing data in that sequence is quite less.
In case, Chillus standard is asking display software to be prepared for data in both sequences. I agree, it could document NTA's legacy Vs standard sequences, likewise. 2014/1/12 [email protected] <[email protected]> > > > > On 10 January 2014 17:54, Shriramana Sharma <[email protected]> wrote: > >> On Fri, Jan 10, 2014 at 3:45 PM, [email protected] >> <[email protected]> wrote: >> > In my humble opinion here one thing is very clear that Unicode >> forgot to >> > add normalization (backward compatibility) for newly added sequence in >> (B). >> >> Dear Pravin, >> >> If by normalization you mean >> http://www.unicode.org/glossary/#normalization -- then it is not >> possible in this case since the individually encoded chillus do not >> have canonical decomposition to their related consonants. Indeed, that >> would defeat the purpose of the separate encoding, which was to >> provide semantically distinct chillus! >> > > Ok not normalization but at least Unicode should mention old habit of > writing NTA and new with addition of atomic chillu. It will definitely help > people working on NLP to handle data having these two different sequence. > > >> >> On a more serious note, I think it is important to adhere to the >> standard, as it is good for you in the long run even though it is >> difficult at first. If you delay the adoption of the standard, it only >> gets all the harder as time passes, since in the interim even more >> people continue to assume the old behaviour... >> > > From font perspective if we consider there is NTA sequence is available in > both form (A) & (B) in data around. We have to add required rules for both > way. Unfortunately in this case Unicode has not consider for backward > compatibility but at least Lohit project definitely consider it. > > So to be in safer side now i am fever of having both rules in font. > > Regards, > Pravin Satpute > > > > _______________________________________________ > Indic mailing list > [email protected] > http://unicode.org/mailman/listinfo/indic > >
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