+XML-RPC for PHP version 4.XX - unreleased
+
+* improved: when encoding utf8 text into us-ascii xml, use character entity references for characters number 0-31
+ (ascii non printable characters), as we were already doing when encoding iso-8859-1 text into us-ascii xml
+
+
XML-RPC for PHP version 4.5.2 - 2021/1/11
* improved: better phpdocs in the the php code generated by the Wrapper class