Grep

Copyright (C) Free Software Foundation, Inc.

GNU grep/egrep is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.


GNU grep/egrep is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

GNU e?grep is brought to you by the efforts of several people:

	Mike Haertel wrote the deterministic regexp code and the bulk
	of the program.

	James A. Woods is responsible for the hybridized search strategy
	of using Boyer-Moore-Gosper fixed-string search as a filter
	before calling the general regexp matcher.

	Arthur David Olson contributed code that finds fixed strings for
	the aforementioned BMG search for a large class of regexps.

	Richard Stallman wrote the backtracking regexp matcher that is
	used for \<digit> backreferences, as well as the getopt that
	is provided for 4.2BSD sites.  The backtracking matcher was
	originally written for GNU Emacs.

	D. A. Gwyn wrote the C alloca emulation that is provided so
	System V machines can run this program.  (Alloca is used only
	by RMS' backtracking matcher, and then only rarely, so there
	is no loss if your machine doesn't have a "real" alloca.)

	Scott Anderson and Henry Spencer designed the regression tests
	used in the "regress" script.

	Paul Placeway wrote the manual page, based on the README.

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