+ You can prefix the scheme-qualified host-string with one or more
+ comma-separated
+ <literal><parameter>key</parameter>=<parameter>value</parameter></literal>
+ sequences, each of which represents an option to be set into the
+ connection structure <emphasis>before</emphasis> the
+ protocol-level connection is forged and the initialisation
+ handshake takes place. This facility can be used to provide
+ authentication credentials, as in host-strings such as:
+ <literal>user=admin,password=halfAm4n,tcp:localhost:8017/db</literal>
+ </para>
+ <para>