updated for version 7.4.027
Problem:    Another valgrind error when using CTRL-X CTRL-F at the start of
            the line. (Dominique Pelle)
Solution:   Don't call mb_ptr_back() at the start of the line.  Add a test.
diff --git a/src/testdir/test32.in b/src/testdir/test32.in
index 97e5c8b..6b399fa 100644
--- a/src/testdir/test32.in
+++ b/src/testdir/test32.in
@@ -36,6 +36,9 @@
 :w Xtest11.one
 :w Xtest11.two
 OIXA
+:" use CTRL-X CTRL-F to complete Xtest11.one, remove it and then use
+:" CTRL-X CTRL-F again to verify this doesn't cause trouble.
+OXddk
 :se cpt=w
 OST
 :se cpt=u nohid