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But we have a problem with some program whom get thier data from unicode like "MediaWiki" and "phpBB" they reorder
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لَّ</div>
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to</div>
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لَّ</div>
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with maybe rendered in some old windows fonts like</div>
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لِّ</div>
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you can try this with wikipedia<br>
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<div id="divRplyFwdMsg" dir="rtl"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>من:</b> Unicode <unicode-bounces@corp.unicode.org> بالنيابة عن Richard Wordingham via Unicode <unicode@corp.unicode.org><br>
<b>تم الإرسال:</b> 18 فبراير, 2022 10:48 م<br>
<b>إلى:</b> unicode@corp.unicode.org <unicode@corp.unicode.org><br>
<b>الموضوع:</b> Re: Wrong sequence for Arabic ligature marks(FC5E-FC62, FCF2-FCF4)</font>
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<div class="PlainText">On Fri, 18 Feb 2022 04:44:17 +0000<br>
Saeed Hubaishan via Unicode <unicode@corp.unicode.org> wrote:<br>
<br>
> Hi,<br>
> "The Decomposition Type Mapping" of these ligature marks are worng:<br>
> FC5E ﱞ Arabic Ligature Shadda With Dammatan Isolated Form<br>
> ≈ <isolated> 0020 ␣ 064C ◌ٌ 0651 ◌ّ<br>
> FC5F ﱟ Arabic Ligature Shadda With Kasratan Isolated Form<br>
> ≈ <isolated> 0020 ␣ 064D ◌ٍ 0651 ◌ّ<br>
> FC60 ﱠ Arabic Ligature Shadda With Fatha Isolated Form<br>
> ≈ <isolated> 0020 ␣ 064E ◌َ 0651 ◌ّ<br>
> FC61 ﱡ Arabic Ligature Shadda With Damma Isolated Form<br>
> ≈ <isolated> 0020 ␣ 064F ◌ُ 0651 ◌ّ<br>
> FC62 ﱢ Arabic Ligature Shadda With Kasra Isolated Form<br>
> ≈ <isolated> 0020 ␣ 0650 ◌ِ 0651 ◌ّ<br>
> <br>
> FCF2 ﳲ Arabic Ligature Shadda With Fatha Medial Form<br>
> ≈ <medial> 0640 ـ 064E ◌َ 0651 ◌ّ<br>
> FCF3 ﳳ Arabic Ligature Shadda With Damma Medial Form<br>
> ≈ <medial> 0640 ـ 064F ◌ُ 0651 ◌ّ<br>
> FCF4 ﳴ Arabic Ligature Shadda With Kasra Medial Form<br>
> ≈ <medial> 0640 ـ 0650 ◌ِ 0651 ◌ّ<br>
> Arabic Shadda must be before the marks (064C ◌ٌ ,064D ◌ٍ , 064E ◌َ ,<br>
> 064F ◌ُ , 0650 ◌ِ)<br>
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But they and shadda have different non-zero canonical combining classes<br>
(ccc), so their order shall intend no difference. Shadda has the higher<br>
ccc, so it comes last. Putting it last makes the decomposition table<br>
easier to use for conversion to form NFKD.<br>
<br>
Richard.<br>
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