patch 7.4.856
Problem:    "zt" still doesn't work well with filler lines. (Gary Johnson)
Solution:   Check for filler lines above the cursor. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 7733d4b..a3b567e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    856,
+/**/
     855,
 /**/
     854,