updated for version 7.3.1293
Problem:    Put in empty buffer cannot be undone.
Solution:   Save one more line for undo. (Ozaki)
diff --git a/src/version.c b/src/version.c
index d661c64..e03d81b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1293,
+/**/
     1292,
 /**/
     1291,