updated for version 7.4.150
Problem:    :keeppatterns is not respected for :s.
Solution:   Check the keeppatterns flag. (Yasuhiro Matsumoto)
diff --git a/src/testdir/test14.ok b/src/testdir/test14.ok
index 1fd8916..ae3da29 100644
--- a/src/testdir/test14.ok
+++ b/src/testdir/test14.ok
@@ -20,3 +20,6 @@
 1
 1
 two
+foo
+^substitute
+substitute bar xyz