| # Trigger a parser error in the function parse_substitute_ in order to improve the error message. | |
| # Note that this is not a valid substitution, this test is made to trigger an error. | |
| languagesystem latn dflt; | |
| @base = [a e]; | |
| @accents = [acute grave]; | |
| feature abvs { | |
| lookup lookup1 { | |
| sub @base @accents by @base; | |
| } lookup1; | |
| } abvs; |