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Date: Wed, 08 Dec 2010 11:29:18 -0500
From: Ken Jackson <cygwin AT jackson DOT io>
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To: cygwin AT cygwin DOT com
Subject: Re: Wrong message 'Pattern not found'
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> when I call 'man grep' in Cygwin 1.7.1 and try to search the pattern 
> -P, which is really available, with '/-P', the wrong message 'Pattern 
> not found (press RETURN)' appeared.
> This behaviour only occurs with Cygwin and only on a certain computer. 
> It works well with Cygwin on another computer.
>
> What may be the reason for this invalid message and how to resolve 
> that problem?
I just tried this under Linux and was surprised that it works as you say 
it should.

For years I've always automatically backslashed a leading hyphen when 
searching
in man because I had to.  It seems to have changed.  I wonder how long ago.

That must have been an upstream change.

-Ken


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