+#define YAZ_XMLNS_SRU_v1_0 "http://www.loc.gov/zing/srw/v1.0/"
+#define YAZ_XMLNS_SRU_v1_1 "http://www.loc.gov/zing/srw/"
+#define YAZ_XMLNS_DIAG_v1_1 "http://www.loc.gov/zing/srw/diagnostic/"
+#define YAZ_XMLNS_UPDATE_v0_9 "http://www.loc.gov/zing/srw/update/"
+