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<div class="moz-cite-prefix">On 2/17/2022 8:44 PM, Saeed Hubaishan
via Unicode wrote:<br>
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<blockquote type="cite"
cite="mid:BY5PR02MB6962BE312A1B0952D273BF5FCC379@BY5PR02MB6962.namprd02.prod.outlook.com">
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Hi,<br>
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"The Decomposition Type Mapping" of these ligature marks are
worng:</div>
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<td><code><a moz-do-not-send="true">FC5E</a></code></td>
<td class="c" dir="rtl"> ﱞ </td>
<td colspan="2"><span class="name">Arabic Ligature Shadda
With Dammatan Isolated Form</span></td>
</tr>
<tr>
<td> </td>
<td class="char"> </td>
<td class="c">≈</td>
<td><isolated> <code>0020</code> <span class="inv">␣</span>
<code>064C</code> ◌ٌ <code>
0651</code> ◌ّ</td>
</tr>
<tr>
<td><code><a moz-do-not-send="true">FC5F</a></code></td>
<td class="c" dir="rtl"> ﱟ </td>
<td colspan="2"><span class="name">Arabic Ligature Shadda
With Kasratan Isolated Form</span></td>
</tr>
<tr>
<td> </td>
<td class="char"> </td>
<td class="c">≈</td>
<td><isolated> <code>0020</code> <span class="inv">␣</span>
<code>064D</code> ◌ٍ <code>
0651</code> ◌ّ</td>
</tr>
</tbody>
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<br>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
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dir="ltr"></div>
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...<br>
<blockquote type="cite"
cite="mid:BY5PR02MB6962BE312A1B0952D273BF5FCC379@BY5PR02MB6962.namprd02.prod.outlook.com">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
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dir="ltr">Arabic Shadda must be before the marks (<code><code>064C</code> ◌ٌ
,<code>064D</code> ◌ٍ , <code>064E</code> ◌َ</code> ,<code>
064F</code> ◌ُ
<code></code>, <code>0650</code> ◌ِ) <br>
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font-size: 12pt; color: rgb(0, 0, 0); text-align: left;"
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<br>
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<p>Decompositions are immutable, constrained by normalization
stability.</p>
<p><br>
</p>
<p>To see how such rendering should be handled, instead, please see
Unicode Technical Report #53, Unicode Arabic Mark Rendering, which
addresses the issue of the placement of shadda, along with many
other issues of ordering and placement of various tashkil, ijam,
and other marks:</p>
<p><br>
</p>
<p><a class="moz-txt-link-freetext" href="https://www.unicode.org/reports/tr53/">https://www.unicode.org/reports/tr53/</a></p>
<p><br>
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<p>--Ken<br>
</p>
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