Possible compatibility problems with earlier versions marked with '*'.
+Added support for virtual hosts and multiple backend servers for
+the YAZ frontend server. The configution is XML based and
+support specificition of CQL to RPN mappings and explain information.
+See section "Virtual Hosts" in the YAZ manual.
+
Extended OPAC display utility. OPAC display utility renders
bibliographic (MARC) record as well. Added yaz_opac_decode_wrbuf
to supplement yaz_marc_decode_wrbuf.