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 <[email protected]> wrote: >>>>>> "SS" == Shriramana Sharma <[email protected]> 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 <[email protected]> OpenPGP: 1024D/ED7DAEA6 >
