+
+New directive default-client-charset which serves as charset
+to be negotiated if client does NOT supports one.
+
+Added support for threaded authentication modules. See
+etc/config-modules.xml + mod_sample.cpp for an example.
+
Added support for Z39.50 character set negotiation. This allows
the proxy to act as a Z39.50 server supporting character set negotiation
for backends not supporting it. New config element target-charset