patch 7.4.926
Problem:    Completing the longest match doesn't work properly with multi-byte
            characters.
Solution:   When using multi-byte characters use another way to find the
            longest match. (Hirohito Higashi)
diff --git a/src/testdir/test_utf8.ok b/src/testdir/test_utf8.ok
index 8ccdd6d..c655922 100644
--- a/src/testdir/test_utf8.ok
+++ b/src/testdir/test_utf8.ok
@@ -17,3 +17,6 @@
 1
 1
 1
+Test1 
+Test2 あた
+Test3 N