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Re: grep.el regexp

From: Richard M. Stallman
Subject: Re: grep.el regexp
Date: Sun, 10 Jul 2005 13:35:09 -0400

    Perhaps what is needed to start with is to ask people to send output
    examples of different kinds of grep.  We could put these example in a
    new file etc/grep.txt similarly to etc/compilation.txt.

That is a good idea.  Please start that file.

    I've collected a few examples in the file attached below.  The section
    `grep ???' contains examples deduced from regexps in `grep-regexp-alist'.
    Could someone recognize what grep produces them?

The first three seem to follow the GNU spec for column numbers
and ranges.  I don't know whether GNU grep can output these,
but in principle it could do so.

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