Re: FYI, dfaexec bug-fix coming up

[Jim Meyering]

Paolo Bonzini wrote:

> On 03/08/2010 02:49 PM, Jim Meyering wrote:
>> This adds a failing test.
>> I was flabbergasted to see that this test fails.
>>
>> The only reason it doesn't fail with Debian's patches is
>> because they've turned off the DFA matcher altogether.
>> Set the envvar to show it fail there, too:
>>
>>    $ echo AA| GREP_USE_DFA=1 LC_ALL=en_US.UTF-8 /bin/grep '\([A]\|[B]\)\{2\}'
>>    [Exit 1]
>>    $
>>
>> Thanks to Paolo for the test.
>
> Can you check if it fixes https://bugzilla.redhat.com/544406 too?

Yes, it does:

  $ echo 1 2 3 | LC_ALL=de_DE.UTF-8 src/grep -E '^([[:digit:]]+[[:space:]]+){2}'
  1 2 3

Even if it's the same bug, that regexp is different enough
that I'll add it to the test, along with the other.