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

alvherre · alvherre · commit 09811eff2ef0 · 2010-06-09T16:43:47.000Z
diff --git a/doc/src/sgml/syntax.sgml b/doc/src/sgml/syntax.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.145 2010/05/30 18:10:40 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.146 2010/06/09 16:43:47 alvherre Exp $ -->
 
 <chapter id="sql-syntax">
  <title>SQL Syntax</title>
@@ -1778,6 +1778,10 @@ UNBOUNDED FOLLOWING
     <primary>type cast</primary>
    </indexterm>
 
+   <indexterm>
+    <primary>::</primary>
+   </indexterm>
+
    <para>
     A type cast specifies a conversion from one data type to another.
     <productname>PostgreSQL</productname> accepts two equivalent syntaxes
