This mostly is driven through GDEF that can tell of a gid is a consonant etc and as far as I know most shapers looks for that.
Regards,
Lokesh | Kindle
On May 11, 2013, at 11:22 AM, James Cloos <cloos_at_jhcloos.com> wrote:
>>>>>> "SS" == Shriramana Sharma <samjnaa_at_gmail.com> writes:
>
> JC>> Further testing showed that pango and harfbuzz get it right when using
> JC>> the font Pothana2000, and fail with every other font I have to test.
>
> SS> Is it because Pothana doesn't have the dotted circle glyph?
>
> I presume Pango would have fallen back to another font in that case,
> as it does for the । character.
>
> Pothana has a dotted circle as its .notdef glyph. Vamana, from the same
> project, also does; pg and hb show a dottet circle when using vamana.
>
> Perhaps pothana has a ligature? I haven't yet searched through the GSUB
> table to determine that; I first have to learn the Telugu character names
> so that I know what I'm looking for.
>
> -JimC
> --
> James Cloos <cloos_at_jhcloos.com> OpenPGP: 1024D/ED7DAEA6
>
Received on Sat May 11 2013 - 13:58:41 CDT
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