updated for version 7.3.1082
Problem:    New regexp engine: Problem with \@= matching.
Solution:   Save and restore nfa_match.
diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
index ed4f52d..2f96073 100644
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -669,6 +669,9 @@
 OK 0 - \(John.*\)\@=.*Bob
 OK 1 - \(John.*\)\@=.*Bob
 OK 2 - \(John.*\)\@=.*Bob
+OK 0 - \<\S\+\())\)\@=
+OK 1 - \<\S\+\())\)\@=
+OK 2 - \<\S\+\())\)\@=
 OK 0 - .*John\&.*Bob
 OK 1 - .*John\&.*Bob
 OK 2 - .*John\&.*Bob