gnu/105221: grep(1): `grep -w -F ""` issue

[Andrey Chernov]

On Thu, Oct 09, 2008 at 07:00:13AM +0000, Dorr H. Clark wrote:
>  A proposed fix then, is to immediately fail the search for a match 
>  when grep is called with this combination of options if the
>  string to match is zero-length (and thus, trivially does not match
>  the non-empty input!).

grep should be updated to the latest GNU variant already long ago, lost of 
bugs are fixed there, but with all that new snv stuff I not have enough 
time to deal with.

BTW, and sort too.

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