It is documented in the Streaming Replication Protocol section, but was
missing from the list of options in StartupMessage description.
</para>
</listitem>
</varlistentry>
+<varlistentry>
+<term>
+ <literal>replication</>
+</term>
+<listitem>
+<para>
+ Used to connect in streaming replication mode, where a small
+ set of replication commands can be issued instead of SQL
+ statements. Value can be <literal>true</>,
+ <literal>false</>, or <literal>database</>, and the default
+ is <literal>false</>. See
+ <xref linkend="protocol-replication"> for details.
+</para>
+</listitem>
+</varlistentry>
</variablelist>
In addition to the above, any run-time parameter that can be