[aat] Add 'afrc' feature mapping
https://github.com/harfbuzz/harfbuzz/issues/1342#issuecomment-434829028
diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index b6bdb0b..d917c29 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -41,6 +41,7 @@
* when moving to this file. */
static const hb_aat_feature_mapping_t feature_mappings[] =
{
+ {HB_TAG ('a','f','r','c'), 11/*kFractionsType*/, 1/*kVerticalFractionsSelector*/, 0/*kNoFractionsSelector*/},
{HB_TAG ('c','2','p','c'), 38/*kUpperCaseType*/, 2/*kUpperCasePetiteCapsSelector*/, 0/*kDefaultUpperCaseSelector*/},
{HB_TAG ('c','2','s','c'), 38/*kUpperCaseType*/, 1/*kUpperCaseSmallCapsSelector*/, 0/*kDefaultUpperCaseSelector*/},
{HB_TAG ('c','a','l','t'), 36/*kContextualAlternatesType*/, 0/*kContextualAlternatesOnSelector*/, 1/*kContextualAlternatesOffSelector*/},
