[HarfBuzz] Hebrew shaper

[Dov Grobgeld]

Hi Behdad,

The fallback is only needed for the special case of using
http://en.wikipedia.org/wiki/Niqqud with fonts that lack GPOS and GSUB
tables. Unfortunately I don't think that you can ignore these cases for two
reasons:

   - There are still lots of commercial fonts around that lack these tables,
   and I see no reason why stop supporting these.
   - In the leading free Hebrew font package, Culmus, there are several
   fonts that lack these tables.

I once started working on fixing Culmus by translating the heuristics that I
wrote for Pango into GSUB and GPOS logics (see
http://imagic.weizmann.ac.il/~dov/Hebrew/AutoNikud/ ) but I never finished
that project. I should finish this...

I'll be happy to help with the implementing it in Harfbuzz. Just give me
instructions of what exactly you want me to do. :-)

Regards,
Dov


On Thu, Nov 18, 2010 at 22:56, Behdad Esfahbod <behdad at behdad.org> wrote:

> Hi Dov,
>
> As I'm developing HarfBuzz to replace the shapers in Pango I'm planning on
> removing the Hebrew fallback shaping functionality that is in Pango.  Can
> you
> confirm that the fallback shaping functionality is obsolete and not needed
> with Hebrew fonts in wide circulation these days?
>
> If it *is* needed still, can you offer any help?  I have a plan for
> implementing such fallback shapers but appreciate a helping hand.
>
> Cheers,
> behdad
>
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