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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks for correcting the subject.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Mapping ZWJ and ZWNJ to nothing (i.e. ignoring them) had issues
and that is why they were categorized as CONTEXTJ in the revised version and
allowed &#8220;on the wire&#8221; in the right context (after ACE conversion). 
<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The IDNA implementation in different applications will catch up at
different pace.  However that does not change the community requirements vis-à-vis
the protocol.  Correct protocol representation also empowers communities to
develop their own applications.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Regards,<br>
Sarmad<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Shawn Steele
[mailto:Shawn.Steele@microsoft.com] <br>
<b>Sent:</b> Saturday, December 05, 2009 1:15 PM<br>
<b>To:</b> Shawn Steele; Sarmad Hussain; idna-update@alvestrand.no<br>
<b>Cc:</b> idna-arabicscript@lists.irnic.ir<br>
<b>Subject:</b> Re: Additional thoughts on TRANSITIONAL <o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Oopsy, correcting subject.<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>-Shawn<o:p></o:p></span></p>

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style='color:black'>

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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> idna-update-bounces@alvestrand.no
[idna-update-bounces@alvestrand.no] on behalf of Shawn Steele
[Shawn.Steele@microsoft.com]<br>
<b>Sent:</b> Saturday, December 05, 2009 12:07 AM<br>
<b>To:</b> Sarmad Hussain; idna-update@alvestrand.no<br>
<b>Cc:</b> idna-arabicscript@lists.irnic.ir<br>
<b>Subject:</b> RE: Idna-update Digest, Vol 36, Issue 48</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>I think that's true for all 4 characters.&nbsp;&nbsp;I don't think
we can disallow them.<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Note that ZWJ/ZWNJ can be used in a link in IDNA2003, but they're
mapped to nothing, so the address bar will likely look funny, though you can
still get to a server.&nbsp; I'm not saying that's good behavior, but I suppose
it's better than nothing.&nbsp; I'm also not trying to suggest it doesn't need
fixed, it is clearly a big display problem that should be addresses as soon as
practical.<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>-Shawn<o:p></o:p></span></p>

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style='color:black'>

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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
idna-update-bounces@alvestrand.no [idna-update-bounces@alvestrand.no] on behalf
of Sarmad Hussain [sarmad.hussain@nu.edu.pk]<br>
<b>Sent:</b> Friday, December 04, 2009 7:50 PM<br>
<b>To:</b> idna-update@alvestrand.no<br>
<b>Cc:</b> idna-arabicscript@lists.irnic.ir<br>
<b>Subject:</b> Re: Idna-update Digest, Vol 36, Issue 48</span><span
style='color:black'><o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:black'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><span style='color:black'>&gt; 200C &nbsp; &nbsp; &nbsp; ;
DISALLOWED &nbsp;# ZERO WIDTH NON-JOINER<br>
&gt; 200D &nbsp; &nbsp; &nbsp; ; DISALLOWED &nbsp;# ZERO WIDTH JOINER<br>
&gt;<br>
&gt; There is no new value called TRANSITIONAL. The infamous 4 characters<br>
&gt; (above) start with the value DISALLOWED. Later, we change them to<br>
&gt; PVALID (or CONTEXTJ for 200C/200D).&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:black'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><span style='color:black'>Before reverting to IDNA2003 level
lack of support for these characters, do re-consider why the status of these
characters (ZWNJ and ZWJ) have been changed in Idnabis process: these
characters are required for writing IDNs for a billion people in South Asia and
beyond.<o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:black'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><span style='color:black'>Having them as DISALLOWED and
called TRANSITIONAL will only propagate older decisions, not fix them.
&nbsp;Having them as CONTEXTJ is already a workable solution, where they are
only (carefully) allowed, where they are needed.&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:black'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><span style='color:black'>regards,<br>
Sarmad &nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:black'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><br>
<br>
__________ Information from ESET NOD32 Antivirus, version of virus signature
database 3811 (20090129) __________<br>
<br>
The message was checked by ESET NOD32 Antivirus.<br>
<br>
<a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p>

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