* http://helm.cs.unibo.it/
*)
+(* $Id$ *)
+
exception Bad_request of string
exception Unresolvable_URI of string
exception Invalid_URI of string
exception Key_already_in of string;;
exception Key_not_found of string;;
exception Http_client_error of string * string (* url, error message *)
+exception Unsupported_scheme of string (** unsupported url scheme *)
type encoding = [ `Normal | `Gzipped ]
type answer_format = [ `Text | `Xml ]
module StringSet = Set.Make (String)
+type prefix_attr = [ `Read_only | `Legacy ]
+