| < | Data.Ord, Prelude |
| <# | GHC.Prim, GHC.Exts |
| <## | GHC.Prim, GHC.Exts |
| <$ | Control.Applicative |
| <$$> | Text.ParserCombinators.Parsec.Perm |
| <$> | Control.Applicative |
| <$?> | Text.ParserCombinators.Parsec.Perm |
| <* | Control.Applicative |
| <**> | Control.Applicative |
| <*> | Control.Applicative |
| <++ |
| 1 (Function) | Text.ParserCombinators.ReadP, Distribution.Compat.ReadP |
| 2 (Function) | Text.ParserCombinators.ReadPrec, Text.Read |
| <+> |
| 1 (Function) | Control.Arrow |
| 2 (Function) | Language.Haskell.TH.PprLib |
| 3 (Function) | Text.PrettyPrint.HughesPJ, Text.PrettyPrint |
| <-> | Text.Html |
| </> | Text.Html |
| << | Text.Html |
| <<< | Control.Arrow |
| <<^ | Control.Arrow |
| <= | Data.Ord, Prelude |
| <=# | GHC.Prim, GHC.Exts |
| <=## | GHC.Prim, GHC.Exts |
| <> |
| 1 (Function) | Language.Haskell.TH.PprLib |
| 2 (Function) | Text.PrettyPrint.HughesPJ, Text.PrettyPrint |
| <?> | Text.ParserCombinators.Parsec.Prim, Text.ParserCombinators.Parsec |
| <| | Data.Sequence |
| <|> | Text.ParserCombinators.Parsec.Prim, Text.ParserCombinators.Parsec |
| <|?> | Text.ParserCombinators.Parsec.Perm |
| <||> | Text.ParserCombinators.Parsec.Perm |
