pod/perlre: Italicize text to indicate non-literal

Also, changes a reference to the section into an actual link.

diff --git a/pod/perlre.pod b/pod/perlre.pod
index 80aa306..e4a0b11 100644 (file)
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -1407,14 +1407,16 @@ The following pattern matches a parenthesized group:
             \)
          }x;
 
             \)
          }x;
 

-See also C<(?PARNO)> for a different, more efficient way to accomplish
+See also
+L<C<(?I<PARNO>)>|/(?PARNO) (?-PARNO) (?+PARNO) (?R) (?0)>
+for a different, more efficient way to accomplish

 the same task.
 
 Executing a postponed regular expression 50 times without consuming any
 input string will result in a fatal error.  The maximum depth is compiled
 into perl, so changing it requires a custom build.
 
 the same task.
 
 Executing a postponed regular expression 50 times without consuming any
 input string will result in a fatal error.  The maximum depth is compiled
 into perl, so changing it requires a custom build.
 

-=item C<(?PARNO)> C<(?-PARNO)> C<(?+PARNO)> C<(?R)> C<(?0)>
+=item C<(?I<PARNO>)> C<(?-I<PARNO>)> C<(?+I<PARNO>)> C<(?R)> C<(?0)>

 X<(?PARNO)> X<(?1)> X<(?R)> X<(?0)> X<(?-1)> X<(?+1)> X<(?-PARNO)> X<(?+PARNO)>
 X<regex, recursive> X<regexp, recursive> X<regular expression, recursive>
 X<regex, relative recursion>
 X<(?PARNO)> X<(?1)> X<(?R)> X<(?0)> X<(?-1)> X<(?+1)> X<(?-PARNO)> X<(?+PARNO)>
 X<regex, recursive> X<regexp, recursive> X<regular expression, recursive>
 X<regex, relative recursion>


@@ -1426,10 +1428,10 @@ as an independent pattern that must match at the current position.
 Capture groups contained by the pattern will have the value as determined
 by the outermost recursion.
 
 Capture groups contained by the pattern will have the value as determined
 by the outermost recursion.
 

-PARNO is a sequence of digits (not starting with 0) whose value reflects
+I<PARNO> is a sequence of digits (not starting with 0) whose value reflects

 the paren-number of the capture group to recurse to. C<(?R)> recurses to
 the beginning of the whole pattern. C<(?0)> is an alternate syntax for
 the paren-number of the capture group to recurse to. C<(?R)> recurses to
 the beginning of the whole pattern. C<(?0)> is an alternate syntax for

-C<(?R)>. If PARNO is preceded by a plus or minus sign then it is assumed
+C<(?R)>. If I<PARNO> is preceded by a plus or minus sign then it is assumed

 to be relative, with negative numbers indicating preceding capture groups
 and positive ones following. Thus C<(?-1)> refers to the most recently
 declared group, and C<(?+1)> indicates the next group to be declared.
 to be relative, with negative numbers indicating preceding capture groups
 and positive ones following. Thus C<(?-1)> refers to the most recently
 declared group, and C<(?+1)> indicates the next group to be declared.


@@ -1493,7 +1495,7 @@ be processed.
 =item C<(?&NAME)>
 X<(?&NAME)>
 
 =item C<(?&NAME)>
 X<(?&NAME)>
 

-Recurse to a named subpattern. Identical to C<(?PARNO)> except that the
+Recurse to a named subpattern. Identical to C<(?I<PARNO>)> except that the

 parenthesis to recurse to is determined by name. If multiple parentheses have
 the same name, then it recurses to the leftmost.
 
 parenthesis to recurse to is determined by name. If multiple parentheses have
 the same name, then it recurses to the leftmost.
 


@@ -2485,10 +2487,10 @@ else in the whole regular expression.)
 For this grouping operator there is no need to describe the ordering, since
 only whether or not C<S> can match is important.
 
 For this grouping operator there is no need to describe the ordering, since
 only whether or not C<S> can match is important.
 

-=item C<(??{ EXPR })>, C<(?PARNO)>
+=item C<(??{ EXPR })>, C<(?I<PARNO>)>

 
 The ordering is the same as for the regular expression which is
 
 The ordering is the same as for the regular expression which is

-the result of EXPR, or the pattern contained by capture group PARNO.
+the result of EXPR, or the pattern contained by capture group I<PARNO>.

 
 =item C<(?(condition)yes-pattern|no-pattern)>
 
 
 =item C<(?(condition)yes-pattern|no-pattern)>