| # OpenType Feature File specification, section 5.f.ii, example 4 |
| # "Specifying exceptions to the Chain Sub rule" |
| # http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html |
| |
| @LETTER = [A - Z a - z]; |
| |
| feature cswh { |
| |
| # --- Glyph classes used in this feature: |
| @BEGINNINGS = [A - N P - Z T_h m]; |
| @BEGINNINGS_SWASH = [A.swash - N.swash P.swash - Z.swash T_h.swash m.begin]; |
| @ENDINGS = [a e z]; |
| @ENDINGS_SWASH = [a.end e.end z.end]; |
| |
| # --- Beginning-of-word swashes: |
| ignore sub @LETTER @BEGINNINGS'; |
| sub @BEGINNINGS' by @BEGINNINGS_SWASH; |
| |
| # --- End-of-word swashes: |
| ignore sub @ENDINGS' @LETTER; |
| sub @ENDINGS' by @ENDINGS_SWASH; |
| |
| } cswh; |
