# OpenType Feature File specification, section 5.f.ii, example 2 | |
# "Specifying exceptions to the Chain Sub rule" | |
# http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html | |
feature test { | |
@LETTER = [a-z]; | |
ignore sub @LETTER f' i'; | |
sub f' i' by f_i.begin; | |
} test; |