[ID 20000602.005] [PATCH]5.6.0 (DOC) tiny change to perlsyn.pod

[p5sagit/p5-mst-13.2.git] / pod / perlre.pod

diff --git a/pod/perlre.pod b/pod/perlre.pod
index e1f30a3..15e58c1 100644 (file)
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -169,7 +169,7 @@ You'll need to write something like C<m/\Quser\E\@\Qhost/>.
 In addition, Perl defines the following:
 
     \w Match a "word" character (alphanumeric plus "_")
-    \W Match a non-word character
+    \W Match a non-"word" character
     \s Match a whitespace character
     \S Match a non-whitespace character
     \d Match a digit character
@@ -180,7 +180,7 @@ In addition, Perl defines the following:
         equivalent to C<(?:\PM\pM*)>
     \C Match a single C char (octet) even under utf8.
 
-A C<\w> matches a single alphanumeric character, not a whole word.
+A C<\w> matches a single alphanumeric character or C<_>, not a whole word.
 Use C<\w+> to match a string of Perl-identifier characters (which isn't 
 the same as matching an English word).  If C<use locale> is in effect, the
 list of alphabetic characters generated by C<\w> is taken from the
@@ -254,15 +254,15 @@ backspace are control characters.  All characters with ord() less than
 
 =item graph
 
-Any alphanumeric or punctuation character.
+Any alphanumeric or punctuation (special) character.
 
 =item print
 
-Any alphanumeric or punctuation character or space.
+Any alphanumeric or punctuation (special) character or space.
 
 =item punct
 
-Any punctuation character.
+Any punctuation (special) character.
 
 =item xdigit
 
@@ -377,10 +377,11 @@ that looks like \\, \(, \), \<, \>, \{, or \} is always
 interpreted as a literal character, not a metacharacter.  This was
 once used in a common idiom to disable or quote the special meanings
 of regular expression metacharacters in a string that you want to
-use for a pattern. Simply quote all non-alphanumeric characters:
+use for a pattern. Simply quote all non-"word" characters:
 
     $pattern =~ s/(\W)/\\$1/g;
 
+(If C<use locale> is set, then this depends on the current locale.)
 Today it is more common to use the quotemeta() function or the C<\Q>
 metaquoting escape sequence to disable all metacharacters' special
 meanings like this:
@@ -673,7 +674,7 @@ The "grab all you can, and do not give anything back" semantic is desirable
 in many situations where on the first sight a simple C<()*> looks like
 the correct solution.  Suppose we parse text with comments being delimited
 by C<#> followed by some optional (horizontal) whitespace.  Contrary to
-its appearence, C<#[ \t]*> I<is not> the correct subexpression to match
+its appearance, C<#[ \t]*> I<is not> the correct subexpression to match
 the comment delimiter, because it may "give up" some whitespace if
 the remainder of the pattern can be made to match that way.  The correct
 answer is either one of these: