module XML_sigs:sig
..end
module type T =sig
..end
module type Iterable =sig
..end
module type Info =sig
..end
module type Output =sig
..end
module type TypedXML =sig
..end
module type IterableTypedXML =sig
..end
module type Printer =sig
..end
module type SimplePrinter =sig
..end
module type TypedPrinter =sig
..end
module type TypedSimplePrinter =sig
..end