updated for version 7.4a.005
Problem:    Scroll binding causes unexpected scroll.
Solution:   Store the topline after updating scroll binding.  Add a test.
            (Lech Lorens)
diff --git a/src/testdir/test98.ok b/src/testdir/test98.ok
new file mode 100644
index 0000000..356ddd8
--- /dev/null
+++ b/src/testdir/test98.ok
@@ -0,0 +1 @@
+Difference between the top lines (left - right): 0