| # OpenType Feature File specification, section 5.f.i, example 3 | |
| # "Specifying a Chain Sub rule and marking sub-runs" | |
| # http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html | |
| languagesystem latn dflt; | |
| feature test { | |
| sub [A - Z] [A.sc - Z.sc]' by [a - z]; | |
| } test; |