LanguageDef:identLetter
Prelude> :m Text.ParserCombinators.Parsec.Language Prelude Text.ParserCombinators.Parsec.Language> :t identLetter haskellStyle identLetter haskellStyle :: forall st. Text.ParserCombinators.Parsec.Char.CharParser st Char
Prelude> :m Text.ParserCombinators.Parsec.Language Prelude Text.ParserCombinators.Parsec.Language> :t identLetter haskellStyle identLetter haskellStyle :: forall st. Text.ParserCombinators.Parsec.Char.CharParser st Char