updated for version 7.3.1253
Problem:    Still undo problem after using CTRL-R = setline(). (Hirohito
            Higashi)
Solution:   Set the ins_need_undo flag.
diff --git a/src/version.c b/src/version.c
index 83487c7..dbd9542 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1253,
+/**/
     1252,
 /**/
     1251,