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<p><font face="Georgia">Dear Dr. Sarmad,</font></p>
<p><font face="Georgia">Please find attached, the Devanagari LGR
package with all the edits incorporated as suggested by the IP.
Would like to thank Pitinan for the edits.</font></p>
<p><font face="Georgia">If there are no further comments on the same
from the NBGP list, would like to submit this for publishing on
the <a moz-do-not-send="true"
href="https://www.icann.org/resources/pages/lgr-proposals-2015-12-01-en">proposal's
webpage</a> for IP evaluation.</font></p>
<p><font face="Georgia">Regards,</font></p>
<p><font face="Georgia">Akshat Joshi</font><br>
</p>
<div class="moz-cite-prefix">On 04-03-2019 09:11, Sarmad Hussain
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:9cb657f811c042c0b21ae19103bbc4b2@PMBX112-W1-CA-1.PEXCH112.ICANN.ORG">
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<div class="WordSection1">
<p><span style="color:windowtext">Dear Akshat and NBGP members,<o:p></o:p></span></p>
<p><span style="color:windowtext">IP has suggested some edits to
consider before final submission of the proposal, listed in
their message below. <o:p></o:p></span></p>
<p><span style="color:windowtext">As next steps, once these
edits are incorporated, the proposal will be published at
the <a
href="https://www.icann.org/resources/pages/lgr-proposals-2015-12-01-en"
moz-do-not-send="true">proposals’ webpage</a> as the final
version after public comment, and then IP will undertake its
evaluation.<o:p></o:p></span></p>
<p><span style="color:windowtext">Regards,<br>
Sarmad</span><o:p></o:p></p>
<div class="MsoNormal" style="text-align:center" align="center">
<hr width="100%" size="2" align="center"></div>
<p>To: NeoBrahmi Generation Panel<br>
From: Integration Panel<o:p></o:p></p>
<div>
<div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">We reviewed the 20feb19 version of
the Devanagari proposal and found one showstopper which
should be easy to correct and several editorial items in
the XML file.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><br>
- Integration Panel<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><b><u>Detailed Feedback:</u></b><o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>DOCX</b><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">no
issues<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>XML</b><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>proposal-devanagari-lgr-20feb19-en.xml
</b><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>SHOWSTOPPER:</b><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">(1)
when processing the XML, our tool complains about
missing symmetric variants (for fix, see next item)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">(2)
the XML has<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">for
cp="0901":<br>
<var cp="0945 0902" type="blocked" when="<b><span
style="color:red">follows-only-C-or-CN</span></b>"/><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;margin-bottom:12.0pt">for
cp="0945 0902":<br>
<var cp="0901" type="blocked" when="<b><span
style="color:red">follows-only-V-or-C-or-N-or-M</span></b>"/><o:p></o:p></p>
</div>
</blockquote>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This
issue may have arisen from an incomplete understanding
what makes a variant mapping definition "symmetric".
As written, the two definitions aren't symmetric. For
variant definitions to be symmetric, the <u>context
condition must be the same for both</u> (or both
absent) and the mappings must have matching source and
target, except one is the inverse of the other. In
other words, both highlighted context should be <u>the
same</u> (and should be the more restrictive one).<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">In
this case, the confusion stems from the fact that the
two code points have context rules on the <char>
level; In this kind of situation, the context rule on
the <u>variant level</u> should be the more
restrictive of the the two, or, where that is not
possible, the intersection. In this case, both
<var> should have: <b><span style="color:red">follows-only-C-or-CN</span></b>.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This
requires the entry for <var cp="0901 ....> to be
updated to <b><span style="color:red">follows-only-C-or-CN</span></b>.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>Editorial
issues in XML</b><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">(1)
In "Variant Disposition" in the <description>:
change "the other one label" --> "any other
equivalent label"<br>
<br>
<o:p></o:p></p>
</div>
<div>
<p> (2) To provide necessary explanation about context
rules for variants and sequences used with variants
add a subsection at then end of "Variants" section in
the <description>:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <p>Context Rules for
Variants: some of the variants defined in this LGR are
"effective null variants", that is,<br>
both some code points in the source map to
"nothing" in the target with all other code points
unchanged. <br>
(Because mappings are symmetric, it does not
matter whether it is the forward or reverse mapping
that <br>
maps to "null"). Such variants require a context
rule to keep the variant well behaved. Symmetry
requires <br>
the same context rule for both forward and reverse
mappings.</p><br>
<br>
<p>In other cases, the sequences or code
points making up source and target are constrained by
context <br>
rules on the code points. In such a case, any
variants require context rules that match the
intersection<br>
between the contexts for both source and target;
otherwise a sequence might be considered valid in some
<br>
variant label when it would not be valid in an
equivalent context in an original label.</p> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">(3)
In "Character Classes" change: "The writing system of
Devanagari could be summed up as composed of
Consonants, Implicit Vowel Killer: Halant, Vowels,
Anusvara, Candrabindu, Nukta and a Visarga." to "The
writing system of Devanagari could be summed up as
composed of Consonants, Halant, Vowels, Anusvara,
Candrabindu, Nukta and Visarga."<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This
changes the unwieldy "Implicit Vowel Killer:Halant" to
the actual name of the character class being
enumerated, that is simply "Halant". There's also an
extra "a" near the end of the sentence.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">(4)
At the end of WLE Rules section, add:<o:p></o:p></p>
<p class="MsoNormal"> <p>An additional rule is
used only for variants where a Nukta maps to a
"null":</p><br>
<ul><br>
<li>Variant is not defined if followed
by a Nukta</li><br>
</ul> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>TXT</b><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<p class="MsoNormal">We found no change other than
internal file date. Did not repeat test, particularly as
the normative definition of the XML still has an error.<o:p></o:p></p>
</div>
<div>
<div class="MsoNormal" style="text-align:center"
align="center">
<hr width="100%" size="2" align="center"></div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</div>
</div>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
Regards,
Akshat Joshi
C-DAC GIST</pre>
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