Fix START_REPLICATION syntax in document.

Enclose "TIMELINE tli" part with brackets because it's optional.

Backport to 9.3 where TIMELINE option was introduced.

Noted by Marko Tiikkaja

diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 0b2e60eeb13182d34362f1b3376474084cfdc690..1457ae845232e63db0a05c0a7c6f19bb581d7f6d 100644 (file)
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1400,12 +1400,14 @@ The commands accepted in walsender mode are:
   
 
   
-    START_REPLICATION XXX/XXX TIMELINE tli
+    START_REPLICATION XXX/XXX  [TIMELINE tli]
     
      
       Instructs server to start streaming WAL, starting at
-      WAL position XXX/XXX on timeline
-      tli.
+      WAL position XXX/XXX.
+      If TIMELINE option is specified,
+      streaming starts on timeline tli;
+      otherwise, the server's current timeline is selected.
       The server can reply with an error, e.g. if the requested section of WAL
       has already been recycled. On success, server responds with a
       CopyBothResponse message, and then starts to stream WAL to the frontend.