| Rank2Types | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RankNTypes | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| readExtensions | Language.Haskell.Exts |
| RebindableSyntax | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RecConstr | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RecDecl | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RecordPuns | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RecordWildCards | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RecStmt | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RecUpdate | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RecursiveDo | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RegularPatterns | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RelaxedPolyRec | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| Representational | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RestrictedTypeSynonyms | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| ResultSig | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| Rhs | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| ribbonsPerLine | Language.Haskell.Exts.Pretty, Language.Haskell.Exts |
| RightArrApp | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RightArrHighApp | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RightArrow | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightArrowTail | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightCurly | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightDblArrowTail | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightHashParen | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightParen | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RightSection | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RightSquare | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| Role | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RoleAnnotations | Language.Haskell.Exts.Extension, Language.Haskell.Exts |
| RoleAnnotDecl | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RoleWildcard | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| role_name | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPAs | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPat | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPatOp | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPCAs | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPCAt | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RPEither | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPGuard | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPGuardClose | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RPGuardOpen | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RPOp | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPOpt | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPOptG | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPParen | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPPat | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPPlus | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPPlusG | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPSeq | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPStar | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RPStarG | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| Rule | |
| 1 (Type/Class) | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| 2 (Data Constructor) | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RulePragmaDecl | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| RULES | Language.Haskell.Exts.Lexer, Language.Haskell.Exts |
| RuleVar | |
| 1 (Type/Class) | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |
| 2 (Data Constructor) | Language.Haskell.Exts.Syntax, Language.Haskell.Exts |