Thanks for this, but SET TRANSACTION ISOLATION LEVEL

should be described like SET TIME ZONE: TO is not allowed, as well
as DEFAULT option. There are only two forms:

for Vadim.

doc/src/sgml/ref/set.sgml

@@ -530,7 +530,7 @@ SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL
     <variablelist>
      <varlistentry>
       <term>
-       XACTISOLEVEL | TRANSACTION ISOLATION LEVEL
+       TRANSACTION ISOLATION LEVEL
       </term>
       <listitem>
        <para>
@@ -544,7 +544,7 @@ SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL
 	  <listitem>
 	   <para>
 		Sets the isolation level for transactions to
-		'SERIALIZABLE' or 'COMMITTED'.
+		'SERIALIZABLE' or 'READ COMMITTED'.
 	   </para>
 	  </listitem>
 	 </varlistentry>

src/bin/psql/psqlHelp.h

@@ -5,7 +5,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: psqlHelp.h,v 1.68 1999/06/03 19:52:08 momjian Exp $
+ * $Id: psqlHelp.h,v 1.69 1999/06/03 20:42:17 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -331,7 +331,7 @@ TIMEZONE|XACTISOLEVEL|CLIENT_ENCODING|SERVER_ENCODING"},
 \tSET KSQO TO 'ON'|'OFF'\n\
 \tSET QUERY_LIMIT TO #\n\
 \tSET TIMEZONE TO 'value'\n\
-\tSET XACTISOLEVEL|TRANSACTION ISOLATION LEVEL TO 'SERIALIZABLE'|'COMMITTED'\n\
+\tSET TRANSACTION ISOLATION LEVEL 'SERIALIZABLE'|'READ COMMITTED'\n\
 \tSET CLIENT_ENCODING|NAMES TO 'EUC_JP'|'SJIS'|'EUC_CN'|'EUC_KR'|'EUC_TW'|\n\
 \t  'BIG5'|'MULE_INTERNAL'|'LATIN1'|'LATIN2'|'LATIN3'|'LATIN4'|'LATIN5'|\n\
 \t  'KOI8|'WIN'|'ALT'\n\

src/man/set.l

 .\" This is -*-nroff-*-
 .\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/set.l,v 1.18 1999/06/03 18:38:00 momjian Exp $
+.\" $Header: /cvsroot/pgsql/src/man/Attic/set.l,v 1.19 1999/06/03 20:42:18 momjian Exp $
 .TH SET SQL 05/14/97 PostgreSQL PostgreSQL
 .SH NAME
 set - set run-time parameters for session
@@ -81,11 +81,11 @@ The default is unlimited.
 .IR TIMEZONE
 sets your timezone.
 .PP
-.I XACTISOLEVEL|TRANSACTION ISOLATION LEVEL
+.I TRANSACTION ISOLATION LEVEL
 sets the transaction isolation level to
 .IR SERIALIZABLE
 or
-.IR COMMITTED .
+.IR READ COMMITTED .
 .PP
 .IR CLIENT_ENCODING|NAMES
 sets the character set encoding of the client.  Only available if multi-byte