Possible compatibility problems with earlier versions marked with '*'.
---- 1.9.3 2002/MM/DD
+--- 1.9.3 2003/MM/DD
+
+Support for SRW 1.0 over HTTP. This is an optional feature and
+requires libxml2 to operate. Enable SOAP by specifying --with-xml2
+for configure.
+
+Z39.50 Query Type-104 added - to facilitate CQL within Z39.50.
+
+CQL support. Source is directory 'cql'. CQL is supported in ZOOM
+(both SRW and Z39.50) and the YAZ client (Z39.50 only).
+
+ZOOM connections are SRW based if host/port is specified
+as http. e.g. z = ZOOM_connection_new("http://myserver");
+ZOOM_query may be of type CQL, e.g. ZOOM_query_cql(q, "dc.title=x");
CCL proximity operators !n, %n converts to PQF @prox 0 n 1 2 k 2
and @prox 0 n 0 1 k 2 respectively, meaning: exlusion=false,