Lib/fontTools/feaLib/testdata/GPOS_1_zero.fea - third_party/fonttools - Git at Google

 # https://github.com/behdad/fonttools/issues/471
 feature test {
     pos zero 0;
     pos four 500;
 } test;
	# https://github.com/behdad/fonttools/issues/471
	feature test {
	pos zero 0;
	pos four 500;
	} test;