Batteries user guide : BatGenlex.Languages.Definition

`sig
val comment_delimiters : (string * string) option
val line_comment_start : string option
val nested_comments : bool
val ident_start : (char, char, BatCharParser.position) BatParserCo.t
val ident_letter : (char, char, BatCharParser.position) BatParserCo.t
val op_start : (char, char, BatCharParser.position) BatParserCo.t
val op_letter : (char, char, BatCharParser.position) BatParserCo.t
val reserved_names : string list
val case_sensitive : bool
end`