railt /
compiler
| ⇢ | A | RuleDelegate added | |
| ⇢ | A | TokenDelegate added | |
| ⇢ | A | ConcatenationDelegate added | |
| ⇢ | A | PragmaDelegate added |
| ⇢ | A | PragmaDelegate::reduce() added | |
| ⇢ | A | RuleDelegate::reduce() added | |
| ⇢ | A | TokenDelegate::reduce() added | |
| ⇢ | A | PP2::parse() added | |
| ⇢ | A | ConcatenationDelegate::reduce() added | |
| A | ↘ | B | PP2::add() got worse |
