+--- 4.2.22 2011/12/15
+
+Allow =val to be omitted for yaz_uri_to_array. Also, multiple &'s in
+sequence is treated as one. For example, &&a=b&&&c& is identical to
+a=b&c= .
+
+--- 4.2.22 2011/12/05
+
+Add ZOOM_connection_save_apdu_wrbuf. This function may be used to save
+APDUs for a connection to a WRBUF.
+
+--- 4.2.21 2011/11/23
+
+Fix cql_sortby_to_sortkeys. Completely broken before.
+
+Make CCL's @truncation work again.
+
+--- 4.2.20 2011/11/09
+
+New ZOOM connection setting: tproxy. It's like proxy, but does not
+set Z39.50 proxy OID or change HTTP for proxy behavior. Can be used
+to set resolved address + port for a connection outside ZOOM itself.
+
+Fix atoi_n_check digit test. Thanks to Giannis Kosmas for spotting it.
+
+--- 4.2.19 2011/11/07