updated for version 7.0001
diff --git a/src/testdir/test37.ok b/src/testdir/test37.ok
new file mode 100644
index 0000000..a9092a4
--- /dev/null
+++ b/src/testdir/test37.ok
@@ -0,0 +1,33 @@
+
+0 line 05 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 05
+1 line 05 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 05
+2 line 11 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 11
+3 line 11 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 11
+4 line 06 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 06
+5 line 06 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 06
+6 line 02 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 02
+7 line 02 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 02
+56789ABCDEFGHIJKLMNOPQRSTUVWXYZ 02
+UTSRQPONMLKJIHGREDCBA9876543210 02
+. line 11 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 11
+. line 11 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 11
+
+0 line 05 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 05
+1 line 05 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 05
+2 line 11 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 11
+3 line 11 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 11
+4 line 06 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 06
+5 line 06 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 06
+6 line 02 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 02
+7 line 02 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 02
+56789ABCDEFGHIJKLMNOPQRSTUVWXYZ 02
+UTSRQPONMLKJIHGREDCBA9876543210 02
+. line 11 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 11
+. line 11 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ 11
+
+. line 16 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 16
+:set scrollbind
+zt:
+. line 15 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 15
+:set scrollbind
+. line 11 ZYXWVUTSRQPONMLKJIHGREDCBA9876543210 11