Update CREATE FUNCTION documentation about argument names

More languages than PL/pgSQL actually support parameter names.

diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgml
index e0f89ec2c8964c43311e537ed8e4ad862cd7dd18..ebdcd8b01b86a46b0c06cdaf14080edaff79614c 100644 (file)
--- a/doc/src/sgml/ref/create_function.sgml
+++ b/doc/src/sgml/ref/create_function.sgml
@@ -119,7 +119,7 @@ CREATE [ OR REPLACE ] FUNCTION
 
      <listitem>
       <para>
-       The name of an argument. Some languages (currently only PL/pgSQL) let
+       The name of an argument. Some languages (including PL/pgSQL, but currently not SQL) let
        you use the name in the function body.  For other languages the
        name of an input argument is just extra documentation.  But the name
        of an output argument is significant, since it defines the column