Json Schema Max Items

Two new functions json-to-xml() and xml-to-json() to convert between JSON and XML. These perform lossless conversion. The json-to-xml() function delivers XML using a custom XML vocabulary designed for the purpose, and the xml-to-json() function requires the input XML to use this vocabulary, though this can of course be generated by transforming XML in a diferent vocabulary. Two new data types ... ................
................