Hill:
   You're right that POSTNET.WPM was _not_ included in WP 5.1 for DOS
(although it may have been in 5.1+).  The macro originated in
WordPerfect Magazine.
   You could certainly use the WP 6.n POSTNET macro on a 5.1 document,
but that would almost certainly require the document to be converted to
6.n format.  Best way to find out is to try it.
                                                 Fred
 * OLX 2.1 TD * frederick.sohn@consultant.com
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