Xml_sigs.Ppval pp :
?encode:( string -> string ) ->
?indent:bool ->
unit ->
Stdlib.Format.formatter ->
elt ->
unitpp () is a Format printer for untyped XML.
It can be used in combination with "%a". For example, to get a string:
let s = Format.asprintf "%a" (pp ()) my_xmlA custom encoding function can be provided with the ~encode argument. Various implementations of encode are available in Xml_print.