155278SruThis is GNU grep, the "fastest grep in the west" (we hope). All 253451Speterbugs reported in previous releases have been fixed. Many exciting new 355278Srubugs have probably been introduced in this revision. 453451Speter 553451SpeterGNU grep is provided "as is" with no warranty. The exact terms 653451Speterunder which you may use and (re)distribute this program are detailed 753451Speterin the GNU General Public License, in the file COPYING. 853451Speter 953451SpeterGNU grep is based on a fast lazy-state deterministic matcher (about 1053451Spetertwice as fast as stock Unix egrep) hybridized with a Boyer-Moore-Gosper 1153451Spetersearch for a fixed string that eliminates impossible text from being 1253451Speterconsidered by the full regexp matcher without necessarily having to 1353451Speterlook at every character. The result is typically many times faster 1453451Speterthan Unix grep or egrep. (Regular expressions containing backreferencing 1553451Speterwill run more slowly, however.) 1653451Speter 1755278SruSee the files AUTHORS and THANKS for a list of authors and other contributors. 1853451Speter 1953451SpeterSee the file INSTALL for compilation and installation instructions. 2053451Speter 2153451SpeterSee the file NEWS for a description of major changes in this release. 2253451Speter 2355278SruSee the file TODO for ideas on how you could help us improve grep. 2453451Speter 2555278SruSend bug reports to bug-gnu-utils@gnu.org. Be sure to 2653451Speterinclude the word "grep" in your Subject: header field. 27