Add index entry for ::, per complaint from John Gage.

diff --git a/doc/src/sgml/syntax.sgml b/doc/src/sgml/syntax.sgml
index 8f6b728aa03b92bdf8d59bb1d6011324159aed7d..c74ad264e7ba33af698898dea728a2309f079638 100644 (file)
--- a/doc/src/sgml/syntax.sgml
+++ b/doc/src/sgml/syntax.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  SQL Syntax
@@ -1778,6 +1778,10 @@ UNBOUNDED FOLLOWING
     type cast
    
 
+   
+    ::
+   
+
    
     A type cast specifies a conversion from one data type to another.
     PostgreSQL accepts two equivalent syntaxes