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Date: Wed, 04 Jun 2003 15:23:01 -0300
From: "Daniel C. Sobral" <dcs@tcoip.com.br>
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To: Mike Barcroft <mike@FreeBSD.org>
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cc: Tony Finch <fanf@FreeBSD.org>
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Subject: Re: cvs commit: src/tools/regression/usr.bin/sed regress.s3.out
 regress.s4.out regress.s5.out regress.sg.out regress.sh
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Mike Barcroft wrote:
> Tony Finch <fanf@FreeBSD.org> writes:
> 
>>fanf        2003/06/04 08:26:24 PDT
>>
>>  FreeBSD src repository
>>
>>  Modified files:
>>    tools/regression/usr.bin/sed regress.sh 
>>  Added files:
>>    tools/regression/usr.bin/sed regress.s3.out regress.s4.out 
>>                                 regress.s5.out regress.sg.out 
>>  Log:
>>  Add tests for the behaviour of substitution when the regex can match
>>  a zero-length string. This shows bugs in the s///g and s///2+ cases.

Let me add my thanks too. This kind of bug is the worst kind possible. 
Particularly when you _don't_ detect it, and end up with flawed data.

-- 
Daniel C. Sobral                   (8-DCS)
Gerencia de Operacoes
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E-mail: Daniel.Capo@tco.net.br
         Daniel.Sobral@tcoip.com.br
         dcs@tcoip.com.br

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When in panic, fear and doubt,
Drink in barrels, eat, and shout.