I think in such cases false variant (odd number of a's) is also worth
testing. Not saying it will fail though: have not tested.

On Nov 21, 2013 7:03 PM, "Bram Moolenaar" <[email protected]> wrote:
>
>
> Patch 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.
> Files:      src/regexp_nfa.c, src/testdir/test64.in, src/testdir/test64.ok
>
>
> *** ../vim-7.4.099/src/regexp_nfa.c     2013-10-06 15:46:06.000000000
+0200
> --- src/regexp_nfa.c    2013-11-21 15:58:58.000000000 +0100
> ***************
> *** 4278,4284 ****
>              * endless loop for "\(\)*" */
>
>         default:
> !           if (state->lastlist[nfa_ll_index] == l->id)
>             {
>                 /* This state is already in the list, don't add it again,
>                  * unless it is an MOPEN that is used for a backreference
or
> --- 4278,4284 ----
>              * endless loop for "\(\)*" */
>
>         default:
> !           if (state->lastlist[nfa_ll_index] == l->id && state->c !=
NFA_SKIP)
>             {
>                 /* This state is already in the list, don't add it again,
>                  * unless it is an MOPEN that is used for a backreference
or
> *** ../vim-7.4.099/src/testdir/test64.in        2013-09-25
18:16:34.000000000 +0200
> --- src/testdir/test64.in       2013-11-21 15:58:19.000000000 +0100
> ***************
> *** 406,411 ****
> --- 406,412 ----
>   :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'])
> *** ../vim-7.4.099/src/testdir/test64.ok        2013-09-25
18:16:34.000000000 +0200
> --- src/testdir/test64.ok       2013-11-21 15:59:04.000000000 +0100
> ***************
> *** 944,949 ****
> --- 944,952 ----
>   OK 0 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
>   OK 1 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
>   OK 2 - \\\@<!\${\(\d\+\%(:.\{-}\)\?\\\@<!\)}
> + OK 0 - ^\(a*\)\1$
> + OK 1 - ^\(a*\)\1$
> + OK 2 - ^\(a*\)\1$
>   OK 0 - <\@<=span.
>   OK 1 - <\@<=span.
>   OK 2 - <\@<=span.
> *** ../vim-7.4.099/src/version.c        2013-11-21 14:39:58.000000000
+0100
> --- src/version.c       2013-11-21 16:02:27.000000000 +0100
> ***************
> *** 740,741 ****
> --- 740,743 ----
>   {   /* Add new patch number below this line */
> + /**/
> +     100,
>   /**/
>
> --
> Sometimes you can protect millions of dollars in your budget simply by
buying
> a bag of cookies, dropping it on the budget anylyst's desk, and saying
> something deeply personal such as "How was your weekend, big guy?"
>                                 (Scott Adams - The Dilbert principle)
>
>  /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net
\\\
> ///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/\\\
> \\\  an exciting new programming language -- http://www.Zimbu.org
 ///
>  \\\            help me help AIDS victims -- http://ICCF-Holland.org
 ///
>
> --
> --
> You received this message from the "vim_dev" maillist.
> Do not top-post! Type your reply below the text you are replying to.
> For more information, visit http://www.vim.org/maillist.php
>
> ---
> You received this message because you are subscribed to the Google Groups
"vim_dev" group.
> To unsubscribe from this group and stop receiving emails from it, send an
email to [email protected].
> For more options, visit https://groups.google.com/groups/opt_out.

-- 
-- 
You received this message from the "vim_dev" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

--- 
You received this message because you are subscribed to the Google Groups 
"vim_dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.

Raspunde prin e-mail lui