Opentype: Programming oldstyle proportional figures

Graphirus's picture

Me again,

Could someone please explain to me what is the way to program this Opentype feature? I've been searching for info about this but I cannot seem to find anything conclusive. I've been looking at the way some fonts implement this feature and it seems to differ one from another; some substitute entire classes while other just seem to substitute in a glyph by glyph fashion. What is the way to go?

Thanks a lot!

Graphirus's picture

Disregard this question. I checked the sample font included in FL (as suggested in another thread) and I think I nailed it.

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