Further tweaks on perlreref.pod (by Iain Truskett)

p4raw-id: //depot/perl@20594

diff --git a/pod/perlreref.pod b/pod/perlreref.pod
index 8aad327..8d88681 100644 (file)
--- a/pod/perlreref.pod
+++ b/pod/perlreref.pod
@@ -11,7 +11,7 @@ as the L<references|/"SEE ALSO"> section in this document.
 =head1 OPERATORS
 
   =~ determines to which variable the regex is applied.
-     In its absence, C<$_> is used.
+     In its absence, $_ is used.
 
         $var =~ /foo/;
 
@@ -26,39 +26,40 @@ as the L<references|/"SEE ALSO"> section in this document.
         x  eXtended legibility - free whitespace and comments
         c  don't reset pos on fails when using /g
 
-     If C<pattern> is an empty string, the last I<successfully> match
-     regex is used. Delimiters other than C</> may be used for both this
+     If 'pattern' is an empty string, the last I<successfully> match
+     regex is used. Delimiters other than '/' may be used for both this
      operator and the following ones.
 
   qr/pattern/imsox lets you store a regex in a variable,
-     or pass one around. Modifiers as for C<m//> and are stored
+     or pass one around. Modifiers as for m// and are stored
      within the regex.
 
   s/pattern/replacement/igmsoxe substitutes matches of
-     C<pattern> with C<replacement>. Modifiers as for C<m//>
-     with addition of C<e>:
+     'pattern' with 'replacement'. Modifiers as for m//
+     with one addition:
 
         e  Evaluate replacement as an expression
 
      'e' may be specified multiple times. 'replacement' is interpreted
      as a double quoted string unless a single-quote (') is the delimiter.
 
-  ?pattern? is like C<m/pattern/> but matches only once. No alternate
+  ?pattern? is like m/pattern/ but matches only once. No alternate
      delimiters can be used. Must be reset with 'reset'.
 
 =head1 SYNTAX
 
-   \     Escapes the character(s) immediately following it
-   .     Matches any single character except a newline (unless /s is used)
-   ^     Matches at the beginning of the string (or line, if /m is used)
-   $     Matches at the end of the string (or line, if /m is used)
-   *     Matches the preceding element 0 or more times
-   +     Matches the preceding element 1 or more times
-   ?     Matches the preceding element 0 or 1 times
-   {...} Specifies a range of occurrences for the element preceding it
-   [...] Matches any one of the characters contained within the brackets
-   (...) Groups regular expressions
-   |     Matches either the expression preceding or following it
+   \       Escapes the character(s) immediately following it
+   .       Matches any single character except a newline (unless /s is used)
+   ^       Matches at the beginning of the string (or line, if /m is used)
+   $       Matches at the end of the string (or line, if /m is used)
+   *       Matches the preceding element 0 or more times
+   +       Matches the preceding element 1 or more times
+   ?       Matches the preceding element 0 or 1 times
+   {...}   Specifies a range of occurrences for the element preceding it
+   [...]   Matches any one of the characters contained within the brackets
+   (...)   Groups subexpressions for capturing to $1, $2...
+   (?:...) Groups subexpressions without capturing (cluster)
+   |       Matches either the expression preceding or following it
    \1, \2 ...  The text from the Nth group
 
 =head2 ESCAPE SEQUENCES
@@ -165,7 +166,6 @@ Quantifiers are greedy by default --- match the B<longest> leftmost.
 =head2 EXTENDED CONSTRUCTS
 
    (?#text)         A comment
-   (?:...)          Cluster without capturing
    (?imxs-imsx:...) Enable/disable option (as per m//)
    (?=...)          Zero-width positive lookahead assertion
    (?!...)          Zero-width negative lookahead assertion
@@ -174,7 +174,7 @@ Quantifiers are greedy by default --- match the B<longest> leftmost.
    (?>...)          Grab what we can, prohibit backtracking
    (?{ code })      Embedded code, return value becomes $^R
    (??{ code })     Dynamic regex, return value used as regex
-   (?(cond)yes|no)  cond being int corresponding to capturing parens
+   (?(cond)yes|no)  cond being integer corresponding to capturing parens
    (?(cond)yes)        or a lookaround/eval zero-width assertion
 
 =head1 VARIABLES
@@ -279,6 +279,7 @@ David P.C. Wollmann,
 Richard Soderberg,
 Sean M. Burke,
 Tom Christiansen,
+Jim Cromie,
 and
 Jeffrey Goff
 for useful advice.