updated for version 7.4.100
Problem: NFA regexp doesn't handle backreference correctly. (Ryuichi
Hayashida, Urtica Dioica)
Solution: Always add NFA_SKIP, also when it already exists at the start
position.
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 2df9a6b..77949c5 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -406,6 +406,7 @@
:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<!$', 'foo.bat/foo.bat'])
:call add(tl, [2, '^.*\.\(.*\)/.\+\(\1\)\@<=$', 'foo.bat/foo.bat', 'foo.bat/foo.bat', 'bat', 'bat'])
:call add(tl, [2, '\\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}', '2013-06-27${0}', '${0}', '0'])
+:call add(tl, [2, '^\(a*\)\1$', 'aaaaaaaa', 'aaaaaaaa', 'aaaa'])
:"
:"""" Look-behind with limit
:call add(tl, [2, '<\@<=span.', 'xxspanxx<spanyyy', 'spany'])