1# OpenType Feature File specification, section 6.h.ii: 2# Specifying Contextual Positioning with explicit lookup references 3# http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html 4 5languagesystem DFLT dflt; 6 7markClass [acute grave] <anchor 150 -10> @ALL_MARKS; 8 9lookup CNTXT_PAIR_POS { 10 pos T o -10; 11 pos T c -12; 12} CNTXT_PAIR_POS; 13 14lookup CNTXT_MARK_TO_BASE { 15 pos base o 16 <anchor 250 450> mark @ALL_MARKS; 17 pos base c 18 <anchor 250 450> mark @ALL_MARKS; 19} CNTXT_MARK_TO_BASE; 20 21feature test { 22 pos T' lookup CNTXT_PAIR_POS [o c]' @ALL_MARKS' lookup CNTXT_MARK_TO_BASE; 23} test; 24