true : Bool
true : Bool
def Bla.bla : Lean.ParserDescr :=
Lean.ParserDescr.node (Lean.Name.mkStr2 "Bla" "bla") 1022
  (Lean.ParserDescr.binary (Lean.Name.mkStr1 "andthen") (Lean.ParserDescr.symbol "bla")
    (Lean.ParserDescr.cat (Lean.Name.mkStr1 "term") 0))