Add mention that .pgpass localhost matches tcp and unix domain sockets.

diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 31980e9017f82ae082cf42a07143684c7e8b8c28..36c172aeb9640a2d859083ea17c3c848ec687460 100644 (file)
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -1,5 +1,5 @@
 
 
  
@@ -3976,12 +3976,14 @@ This file should contain lines of the following format:
 hostname:port:database:username:password
 
 Each of the first four fields may be a literal value, or *,
-which
-matches anything.  The password field from the first line that matches the
+which matches anything.  The password field from the first line that matches the
 current connection parameters will be used.  (Therefore, put more-specific
 entries first when you are using wildcards.)
 If an entry needs to contain : or
 \, escape this character with \.
+A hostname of localhost matches both host (TCP)
+and local (Unix domain socket) connections coming from the
+local machine.