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-rw-r--r--doc/src/sgml/ref/postgres-ref.sgml10
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/postgres-ref.sgml b/doc/src/sgml/ref/postgres-ref.sgml
index 4e5cd02589c..a1f36e1836c 100644
--- a/doc/src/sgml/ref/postgres-ref.sgml
+++ b/doc/src/sgml/ref/postgres-ref.sgml
@@ -254,8 +254,14 @@ PostgreSQL documentation
<para>
Specifies the directory of the Unix-domain socket on which
<command>postgres</command> is to listen for
- connections from client applications. The default is normally
- <filename>/tmp</filename>, but can be changed at build time.
+ connections from client applications. The value can also be a
+ comma-separated list of directories. An empty value
+ specifies not listening on any Unix-domain sockets, in which case
+ only TCP/IP sockets can be used to connect to the server.
+ The default value is normally
+ <filename>/tmp</filename>, but that can be changed at build time.
+ Specifying this option is equivalent to setting the <xref
+ linkend="guc-unix-socket-directories"> configuration parameter.
</para>
</listitem>
</varlistentry>