Eszett and IDNAv2 vs IDNA2008

Alireza Saleh saleh at
Fri Mar 13 22:00:03 CET 2009

Erik van der Poel wrote:
> The other important difference is that since ZWJ and ZWNJ are "mapped
> to nothing" (deleted), we no longer need to come up with complicated
> contextual rules for them.
The ZWNJ is  the essential character for Persian, Pashto, Kurdish and 
Urdu languages and by applying the contextual rule the same as Unicode 
TR31  rule for using ZWNJ, it is safe to have it for IDN. The 
implementation of that rule can be tested from :

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