let config = {Y.default_config with Y.warner = new warner} in
Y.parse_document_entity config
(*PXP (Y.ExtID (Pxp_types.System filename,
new Pxp_reader.resolve_as_file ~url_of_id ()))
let config = {Y.default_config with Y.warner = new warner} in
Y.parse_document_entity config
(*PXP (Y.ExtID (Pxp_types.System filename,
new Pxp_reader.resolve_as_file ~url_of_id ()))