Erik van der Poel erikv at
Mon Apr 7 16:52:28 CEST 2008

Hello Alireza,

The new IDNA documents are not RFCs yet -- they are Internet Drafts.

ZWNJ and ZWJ do not have real context rules yet. They are in Appendix A of:

Unicode itself has some info about these characters at:

Please feel free to make suggestions for IDNA itself on this list!


On Mon, Apr 7, 2008 at 2:51 AM, Alireza Saleh <saleh at> wrote:
> Hi,
>  According to the new IDNA RFCs the ZWNJ and ZWJ are categorized as CONTEXTJ
> which they should have a contextual rule.  I haven't  find any rule in the
> RFC. Where should I find it ? Is it going to be proposed later ?
>  Is there any sample rule available that help us to suggest a suitable rule
> for usage of those characters in Arabic script.
>  Regards
>  Alireza
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