[luatex] How to query fonts.handlers

Ulrike Fischer luatex at nililand.de
Wed Feb 6 00:12:21 CET 2019

Am Wed, 6 Feb 2019 10:41:44 +1300 schrieb Henri Menke:

> Is there a way to query the lookups?

You are the lua guy ;-). But looking in the fontloader, I think the
generic function to query the lookups is

 local function getgsub(tfmdata,k,kind,value)

and this is then used by getkern.

There is also a otf.collectlookups.  

Ulrike Fischer 

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