+--- 5.7.3 2015/01/06
+
+Fix application/x-www-form-urlencoded + empty YAZ-810
+A SEGV occurred if Content-Type was "application/x-www-form-urlencoded"
+and empty content was supplied.
+
+Fix yaz-iconv man page for typos and incorrect example. YAZ-809
+
+Fail hard if Bison is not found and is needed YAZ-808
+