CVSROOT: /webcvs/grep Module name: grep Changes by: Jim Meyering <meyering> 16/02/05 00:44:53
Index: html_node/Back_002dreferences-and-Subexpressions.html =================================================================== RCS file: /webcvs/grep/grep/manual/html_node/Back_002dreferences-and-Subexpressions.html,v retrieving revision 1.21 retrieving revision 1.22 diff -u -b -r1.21 -r1.22 --- html_node/Back_002dreferences-and-Subexpressions.html 2 Nov 2015 02:54:31 -0000 1.21 +++ html_node/Back_002dreferences-and-Subexpressions.html 5 Feb 2016 00:44:50 -0000 1.22 @@ -1,66 +1,91 @@ -<html lang="en"> +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html> +<!-- This manual is for grep, a pattern matching engine. + +Copyright (C) 1999-2002, 2005, 2008-2016 Free Software Foundation, +Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, with no Front-Cover Texts, and with no Back-Cover +Texts. 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When used with alternation, if the group does not participate in the match then the back-reference makes the whole match fail. -For example, ‘<samp><span class="samp">a(.)|b\1</span></samp>’ -will not match ‘<samp><span class="samp">ba</span></samp>’. +For example, ‘<samp>a(.)|b\1</samp>’ +will not match ‘<samp>ba</samp>’. When multiple regular expressions are given with -<samp><span class="option">-e</span></samp> or from a file (‘<samp><span class="samp">-f </span><var>file</var></samp>’), +<samp>-e</samp> or from a file (‘<samp>-f <var>file</var></samp>’), back-references are local to each expression. +</p> + - </body></html> +</body> +</html>
