diff --git a/src/testdir/test10a.ok b/src/testdir/test10a.ok
new file mode 100644
index 0000000..10e78c9
--- /dev/null
+++ b/src/testdir/test10a.ok
@@ -0,0 +1,23 @@
+start of testfile
+01234567890123456789012345678901234567
+line 3  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 4  xxxxxxxxxxAxxxxxxxxxxxxxxxxxxx
+line 5  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 6  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 7  xxxxxBxxxxxxxxxxxxxxxxxxxxxxxx
+line 8  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 9  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 10 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 11 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 12 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 13 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 14 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 15 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 16 xxxxxxxxxxCxxxxxxxxxxxxxxxxxxx
+line 17 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 18 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 19 xxxxxxxxxxxxxxxxxxxDxxxxxxxxxx
+line 20 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxE
+line 21 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+line 22 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+end of testfile