updated for version 7.3.320

Problem:    When a 0xa0 character is in a sourced file the error message for
            unrecognized command does not show the problem.
Solution:   Display 0xa0 as <a0>.

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    320,
 /**/
     319,
 /**/