[HarfBuzz] Arabic: lookup order vs. feature order

Eric Muller emuller at amazon.com
Mon Jul 10 23:41:37 UTC 2017

If I read the Microsoft spec for Arabic, it seems pretty clear that 
features should be applied one by one, in a specified order. On the 
other hand, I have the impression that Harfbuzz applies the lookups in 
lookup order. Is that the case?

Evidence at <https://github.com/behdad/harfbuzz/issues/505>.


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