[HarfBuzz] The canonical ordering of hamza marks

[Behdad Esfahbod]

Hi Khaled,

On 08/26/2012 07:15 PM, Khaled Hosny wrote:
> Hi Behdad,
> 
> I just noticed that hamza above and below marks (U+0654, U+0655), are
> reordered after Arabic vowel marks because they have much higher
> combining classes, 230 and 222 (the "generic" combining class above and
> below, respectively), which breaks mkmk positioning.

I can imagine.

> I tried to make a patch to handle them like the shadda, but I'm not sure
> how safe it is with such generic combining classes.

Yeah, looks easier to move the 27..36 range up to beyond 230.
I imagine same is true about Hebrew too, but can wait till someone reports.

I'll see what I can do.

behdad

> Regards,
>  Khaled