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Changes to grep/manual/html_node/Fundamental-Structure.html,v
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From: |
Jim Meyering |
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Subject: |
Changes to grep/manual/html_node/Fundamental-Structure.html,v |
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Date: |
Fri, 02 Mar 2012 09:28:41 +0000 |
CVSROOT: /webcvs/grep
Module name: grep
Changes by: Jim Meyering <meyering> 12/03/02 09:28:32
Index: html_node/Fundamental-Structure.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/Fundamental-Structure.html,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -b -r1.9 -r1.10
--- html_node/Fundamental-Structure.html 25 Jun 2011 09:28:45 -0000
1.9
+++ html_node/Fundamental-Structure.html 2 Mar 2012 09:28:29 -0000
1.10
@@ -1,8 +1,8 @@
<html lang="en">
<head>
-<title>Fundamental Structure - GNU Grep 2.9</title>
+<title>Fundamental Structure - GNU Grep 2.11</title>
<meta http-equiv="Content-Type" content="text/html">
-<meta name="description" content="GNU Grep 2.9">
+<meta name="description" content="GNU Grep 2.11">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="up" href="Regular-Expressions.html#Regular-Expressions"
title="Regular Expressions">
@@ -11,7 +11,8 @@
<!--
This manual is for `grep', a pattern matching engine.
-Copyright (C) 1999-2002, 2005, 2008-2011 Free Software Foundation, Inc.
+Copyright (C) 1999-2002, 2005, 2008-2012 Free Software Foundation,
+Inc.
Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License,
@@ -74,14 +75,15 @@
</dl>
- <p>Two regular expressions may be concatenated;
+ <p>The empty regular expression matches the empty string.
+Two regular expressions may be concatenated;
the resulting regular expression
matches any string formed by concatenating two substrings
that respectively match the concatenated expressions.
<p>Two regular expressions may be joined by the infix operator
‘<samp><span class="samp">|</span></samp>’;
the resulting regular expression
-matches any string matching either alternalte expression.
+matches any string matching either alternate expression.
<p>Repetition takes precedence over concatenation,
which in turn takes precedence over alternation.
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