updated for version 7.3.1017
Problem:    Zero width match changes length of match.
Solution:   For a zero width match put new states in the current position in
            the state list.
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 9799647..6faf2db 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -270,6 +270,7 @@
 :call add(tl, ['aa \zsax', ' ax'])						" must match before \zs
 :call add(tl, ['abc \zsmatch\ze abc', 'abc abc abc match abc abc', 'match'])
 :call add(tl, ['\v(a \zsif .*){2}', 'a if then a if last', 'if last', 'a if last'])
+:call add(tl, ['\>\zs.', 'aword. ', '.'])
 
 :"""" Tests for \@ features
 :call add(tl, ['abc\@=', 'abc', 'ab'])
@@ -299,6 +300,12 @@
 :call add(tl, ['\%u0020', 'yes no', ' '])
 :call add(tl, ['\%U00000020', 'yes no', ' '])
 
+:"""" Alternatives, must use first longest match
+:call add(tl, ['goo\|go', 'google', 'goo'])
+:call add(tl, ['\<goo\|\<go', 'google', 'goo'])
+:call add(tl, ['\<goo\|go', 'google', 'goo'])
+
+
 :"""" Run the tests
 
 :"