updated for version 7.3.1122
Problem:    New regexp engine: \%> not supported.
Solution:   Implement \%>.
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 062d9ba..0ba833f 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -385,6 +385,12 @@
 :call add(tl, [2, '\(<<\)\@2<=span.', 'xxspanxxxx<spanxx<<spanyyy', 'spany', '<<'])
 :call add(tl, [2, '\(foo\)\@<!bar.', 'xx foobar1 xbar2 xx', 'bar2'])
 :"
+:""""" \@>
+:call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
+:call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])
+:" TODO: BT engine does not restore submatch after failure
+:call add(tl, [1, '\(a*\)\@>a\|a\+', 'aaaa', 'aaaa'])
+:"
 :"""" "\_" prepended negated collection matches EOL
 :call add(tl, [2, '\_[^8-9]\+', "asfi\n9888", "asfi\n"])
 :call add(tl, [2, '\_[^a]\+', "asfi\n9888", "sfi\n9888"])
@@ -401,7 +407,7 @@
 :  let text = t[2]
 :  let matchidx = 3
 :  for engine in [0, 1, 2]
-:    if engine == 2 && !re
+:    if engine == 2 && re == 0 || engine == 1 && re ==1
 :      continue
 :    endif
 :    let &regexpengine = engine