1# OpenType Feature File specification, section 5.f.ii, example 1
2# "Specifying exceptions to the Chain Sub rule"
3# http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html
4
5feature test {
6    ignore sub f [a e] d';
7    ignore sub a d' d;
8    sub [a e n] d' by d.alt;
9} test;
10