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languagesystem DFLT dflt;
@sevenEightNine = [seven eight nine];
feature kern {
pos zero 0;
pos [one two three] <-80 0 -160 0>;
pos A <1 2 3 4 <device 11 111, 12 112> <device 13 113, 14 114> <device 16 116> <device NULL>>;
pos B <1 2 3 4 <device 11 111, 12 112> <device 13 113, 14 114> <device 16 116> <device NULL>>;
pos C <1 2 3 4 <device 11 -2, 14 1> <device 13 -3, 15 1> <device 11 -8, 14 7> <device 13 8, 15 1>>;
pos four 400;
pos four.oldstyle 401;
pos five <-80 0 -160 0>;
pos six -200;
pos @sevenEightNine -100;
pos P <1 0 800 0>;
pos Q <1 0 801 0>;
pos R <1 0 802 0>;
pos S <1 1 803 0>;
pos T <1 1 804 0>;
pos U <1 1 805 0>;
# The AFDKO makeotf tool accepts re-definitions of previously defined
# single adjustment positionings, provided the re-definition is using
# the same value. We replicate this behavior.
pos four 400;
pos four <0 0 400 0>;
pos nine -100;
} kern;
# According to the OpenType Feature File specification section 2.e.iv,
# the following should be interpreted as vertical advance adjustment
# because -100 (a value record format A) appears within a vkrn feature.
# However, the AFDKO makeotf tool v2.0.90 (built on Nov 19, 2015) still
# makes it a horizontal advance adjustment. In our implementation,
# we follow the specification, so we produce different output than makeotf.
# https://github.com/adobe-type-tools/afdko/issues/85
feature vkrn {
pos A -100;
} vkrn;