Add wording so people know PANIC is really "off" for log_min_error_statement.

doc/src/sgml/runtime.sgml

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+$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.143 2002/10/03 02:26:49 momjian Exp $
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 <Chapter Id="runtime">
@@ -1038,13 +1038,13 @@ env PGOPTIONS='-c geqo=off' psql
        <para>
         This controls which message types output the original query to
         the server logs. All queries matching the setting or higher are
-        logged. The default is <literal>PANIC</literal>. Valid values
-        are <literal>DEBUG5</literal>, <literal>DEBUG4</literal>,
-        <literal>DEBUG3</literal>, <literal>DEBUG2</literal>,
-        <literal>DEBUG1</literal>, <literal>INFO</literal>,
-        <literal>NOTICE</literal>, <literal>WARNING</literal>,
-        <literal>ERROR</literal>, <literal>FATAL</literal>, and
-	<literal>PANIC</literal>.
+        logged. The default is <literal>PANIC</literal> (effectively
+        "off"). Valid values are <literal>DEBUG5</literal>,
+        <literal>DEBUG4</literal>, <literal>DEBUG3</literal>,
+        <literal>DEBUG2</literal>, <literal>DEBUG1</literal>,
+        <literal>INFO</literal>, <literal>NOTICE</literal>,
+        <literal>WARNING</literal>, <literal>ERROR</literal>,
+        <literal>FATAL</literal>, and <literal>PANIC</literal>.
        </para>
        <para>
         It is recommended you enable <literal>LOG_PID</literal> as well