[HarfBuzz] The canonical ordering of hamza marks

[Khaled Hosny]

On Tue, Dec 18, 2012 at 12:15:45AM -0500, Behdad Esfahbod wrote:
> On 12-12-18 12:13 AM, Khaled Hosny wrote:
> > As for madda, Jonathan is right; it should indeed follow other marks, I
> > don’t know what I was thinking.
> > 
> > Some testing with people working on texts with heavy use of marks,
> > showed that U+065C and U+06EC should precede vowel marks (but still
> > follow the hamza).
> 
> Thanks Khaled,
> 
> Do you mind compiling a total order for the Arabic marks so I can (blindly) go
> ahead and implement?

List below separated in groups ordered to the best of my knowledge,
marks in each group should be ordered before following groups. The order
inside each group is not important IMO but I kept them ordered by the
existing combining classes.

Regards,
Khaled

(the first field is the existing combining class)

220	U+0655	◌ٕ	ARABIC HAMZA BELOW
220	U+065F	◌ٟ	ARABIC WAVY HAMZA BELOW
230	U+0654	◌ٔ	ARABIC HAMZA ABOVE

220	U+065C	◌ٜ	ARABIC VOWEL SIGN DOT BELOW
230	U+06EC	◌۬	ARABIC ROUNDED HIGH STOP WITH FILLED CENTRE

033	U+0651	◌ّ	ARABIC SHADDA
230	U+06DF	◌۟	ARABIC SMALL HIGH ROUNDED ZERO
230	U+06E0	◌۠	ARABIC SMALL HIGH UPRIGHT RECTANGULAR ZERO

027	U+064B	◌ً	ARABIC FATHATAN
027	U+08F0	◌ࣰ	ARABIC OPEN FATHATAN
028	U+064C	◌ٌ	ARABIC DAMMATAN
028	U+08F1	◌ࣱ	ARABIC OPEN DAMMATAN
029	U+064D	◌ٍ	ARABIC KASRATAN
029	U+08F2	◌ࣲ	ARABIC OPEN KASRATAN
030	U+0618	◌ؘ	ARABIC SMALL FATHA
030	U+064E	◌َ	ARABIC FATHA
031	U+0619	◌ؙ	ARABIC SMALL DAMMA
031	U+064F	◌ُ	ARABIC DAMMA
032	U+061A	◌ؚ	ARABIC SMALL KASRA
032	U+0650	◌ِ	ARABIC KASRA
034	U+0652	◌ْ	ARABIC SUKUN
230	U+06E1	◌ۡ	ARABIC SMALL HIGH DOTLESS HEAD OF KHAH
230	U+0657	◌ٗ	ARABIC INVERTED DAMMA
230	U+0658	◌٘	ARABIC MARK NOON GHUNNA
230	U+0659	◌ٙ	ARABIC ZWARAKAY
230	U+065A	◌ٚ	ARABIC VOWEL SIGN SMALL V ABOVE
230	U+065B	◌ٛ	ARABIC VOWEL SIGN INVERTED SMALL V ABOVE
230	U+065D	◌ٝ	ARABIC REVERSED DAMMA
230	U+065E	◌ٞ	ARABIC FATHA WITH TWO DOTS

035	U+0670	◌ٰ	ARABIC LETTER SUPERSCRIPT ALEF
220	U+0656	◌ٖ	ARABIC SUBSCRIPT ALEF
220	U+06ED	◌ۭ	ARABIC SMALL LOW MEEM
230	U+06E2	◌ۢ	ARABIC SMALL HIGH MEEM ISOLATED FORM

220	U+06EA	◌۪	ARABIC EMPTY CENTRE LOW STOP
230	U+06EB	◌۫	ARABIC EMPTY CENTRE HIGH STOP

220	U+06E3	◌ۣ	ARABIC SMALL LOW SEEN
230	U+06E7	◌ۧ	ARABIC SMALL HIGH YEH
230	U+06E8	◌ۨ	ARABIC SMALL HIGH NOON

230	U+0653	◌ٓ	ARABIC MADDAH ABOVE
230	U+06E4	◌ۤ	ARABIC SMALL HIGH MADDA

230	U+0610	◌ؐ	ARABIC SIGN SALLALLAHOU ALAYHE WASSALLAM
230	U+0611	◌ؑ	ARABIC SIGN ALAYHE ASSALLAM
230	U+0612	◌ؒ	ARABIC SIGN RAHMATULLAH ALAYHE
230	U+0613	◌ؓ	ARABIC SIGN RADI ALLAHOU ANHU
230	U+0614	◌ؔ	ARABIC SIGN TAKHALLUS

230	U+0615	◌ؕ	ARABIC SMALL HIGH TAH
230	U+0616	◌ؖ	ARABIC SMALL HIGH LIGATURE ALEF WITH LAM WITH YEH
230	U+0617	◌ؗ	ARABIC SMALL HIGH ZAIN
230	U+06D6	◌ۖ	ARABIC SMALL HIGH LIGATURE SAD WITH LAM WITH ALEF MAKSURA
230	U+06D7	◌ۗ	ARABIC SMALL HIGH LIGATURE QAF WITH LAM WITH ALEF MAKSURA
230	U+06D8	◌ۘ	ARABIC SMALL HIGH MEEM INITIAL FORM
230	U+06D9	◌ۙ	ARABIC SMALL HIGH LAM ALEF
230	U+06DA	◌ۚ	ARABIC SMALL HIGH JEEM
230	U+06DB	◌ۛ	ARABIC SMALL HIGH THREE DOTS
230	U+06DC	◌ۜ	ARABIC SMALL HIGH SEEN