Index: doc/src/sgml/runtime.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v
retrieving revision 1.89
diff -c -r1.89 runtime.sgml
*** doc/src/sgml/runtime.sgml	2001/10/09 18:46:00	1.89
--- doc/src/sgml/runtime.sgml	2001/10/11 21:08:59
***************
*** 719,725 ****
          this many FROM items involved.  (Note that a JOIN construct
  	counts as only one FROM item.) The default is 11. For simpler
  	queries it is usually best to use the
!         deterministic, exhaustive planner.
         </para>
        </listitem>
       </varlistentry>
--- 719,727 ----
          this many FROM items involved.  (Note that a JOIN construct
  	counts as only one FROM item.) The default is 11. For simpler
  	queries it is usually best to use the
!         deterministic, exhaustive planner.  This parameter also controls
!         how hard the optimizer will try to merge subquery
!         <literal>FROM</literal> clauses into the upper query.
         </para>
        </listitem>
       </varlistentry>