Changes to grep/manual/html_node/Fundamental-Structure.html,v

[Jim Meyering]

CVSROOT:        /webcvs/grep
Module name:    grep
Changes by:     Jim Meyering <meyering> 22/09/03 15:33:15

Index: html_node/Fundamental-Structure.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/Fundamental-Structure.html,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -b -r1.32 -r1.33
--- html_node/Fundamental-Structure.html        14 Aug 2021 20:46:40 -0000      
1.32
+++ html_node/Fundamental-Structure.html        3 Sep 2022 19:33:14 -0000       
1.33
@@ -5,7 +5,7 @@
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <!-- This manual is for grep, a pattern matching engine.
 
-Copyright (C) 1999-2002, 2005, 2008-2021 Free Software Foundation,
+Copyright (C) 1999-2002, 2005, 2008-2022 Free Software Foundation,
 Inc.
 
 Permission is granted to copy, distribute and/or modify this document
@@ -14,10 +14,10 @@
 Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
 Texts.  A copy of the license is included in the section entitled
 "GNU Free Documentation License". -->
-<title>Fundamental Structure (GNU Grep 3.7)</title>
+<title>Fundamental Structure (GNU Grep 3.8)</title>
 
-<meta name="description" content="Fundamental Structure (GNU Grep 3.7)">
-<meta name="keywords" content="Fundamental Structure (GNU Grep 3.7)">
+<meta name="description" content="Fundamental Structure (GNU Grep 3.8)">
+<meta name="keywords" content="Fundamental Structure (GNU Grep 3.8)">
 <meta name="resource-type" content="document">
 <meta name="distribution" content="global">
 <meta name="Generator" content="makeinfo">
@@ -132,9 +132,10 @@
 matches any string formed by concatenating two substrings
 that respectively match the concatenated expressions.
 </p>
-<p>Two regular expressions may be joined by the infix operator 
&lsquo;<samp>|</samp>&rsquo;;
-the resulting regular expression
-matches any string matching either alternate expression.
+<span id="index-alternatives-in-regular-expressions"></span>
+<p>Two regular expressions may be joined by the infix operator 
&lsquo;<samp>|</samp>&rsquo;.
+The resulting regular expression matches any string matching either of
+the two expressions, which are called <em>alternatives</em>.
 </p>
 <p>Repetition takes precedence over concatenation,
 which in turn takes precedence over alternation.
@@ -142,6 +143,9 @@
 to override these precedence rules and form a subexpression.
 An unmatched &lsquo;<samp>)</samp>&rsquo; matches just itself.
 </p>
+<p>Not every character string is a valid regular expression.
+See <a href="Problematic-Expressions.html">Problematic Regular Expressions</a>.
+</p>
 </div>
 <hr>
 <div class="header">