updated for version 7.3.020

Problem:    Cursor position wrong when joining multiple lines and
            'formatoptions' contains "a". (Moshe Kamensky)
Solution:   Adjust cursor position for skipped indent. (Carlo Teubner)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    20,
 /**/
     19,
 /**/