updated for version 7.4a.021
Problem:    Using feedkeys() doesn't always work.
Solution:   Omit feedkeys(). (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 3add57d..59476e5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -728,6 +728,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    21,
+/**/
     20,
 /**/
     19,