diff --git a/src/testdir/test_charsearch.ok b/src/testdir/test_charsearch.ok
new file mode 100644
index 0000000..a0c90e2
--- /dev/null
+++ b/src/testdir/test_charsearch.ok
@@ -0,0 +1,3 @@
+XabcdeXfghijkeXmnopqreXtuvwxyz
+YabcdeYfghiYjkeYmnopqreYtuvwxyz
+ZabcdeZfghijkZemnokZqretkZvwxyz