Possible compatibility problems with earlier versions marked with '*'.
+--- 2.0.20 2004/05/10
+
Add autoconf m4 macro YAZ_DOC for YAZ documentation setup (docbook).
SSL comstack now uses yaz.pem certificate file on server side
by default. Certificate filename can be configured by calling
-comstack function cs_set_ssl_cert before cs_bind is used.
+comstack function cs_set_ssl_certificate_file before cs_bind is used.
Fix bug regarding multiple calls to ZOOM_connection_connect.