Index: doc/src/sgml/config.sgml
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RCS file: /cvsroot/pgsql/doc/src/sgml/config.sgml,v
retrieving revision 1.108
diff -c -c -r1.108 config.sgml
*** doc/src/sgml/config.sgml	1 Feb 2007 00:28:16 -0000	1.108
--- doc/src/sgml/config.sgml	8 Feb 2007 03:52:01 -0000
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*** 1385,1390 ****
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          Not all of these choices are available on all platforms.
          The default is the first method in the above list that is supported
          by the platform.
+         The <literal>open_</>* options also use <literal>O_DIRECT</> if available.
          This parameter can only be set in the <filename>postgresql.conf</>
          file or on the server command line.
         </para>
