Prefer \g1 over \1 in pods

\g was added to avoid ambiguities that \digit causes.  This updates the
pod documentation to use \g in examples, and to prefer it when
explaining the concepts.  Some non-symmetrical outlined text dealing
with it was also cleaned up.

1 files changed, 5 insertions, 5 deletions

diff --git a/pod/perlrequick.pod b/pod/perlrequick.pod
index ded1e6cefc..1fde5588d6 100644
--- a/pod/perlrequick.pod
+++ b/pod/perlrequick.pod
@@ -298,13 +298,13 @@ indicated below it:
      1  2      34
 
 Associated with the matching variables C<$1>, C<$2>, ... are
-the B<backreferences> C<\1>, C<\2>, ...  Backreferences are
+the B<backreferences> C<\g1>, C<\g2>, ...  Backreferences are
 matching variables that can be used I<inside> a regex:
 
-    /(\w\w\w)\s\1/; # find sequences like 'the the' in string
+    /(\w\w\w)\s\g1/; # find sequences like 'the the' in string
 
-C<$1>, C<$2>, ... should only be used outside of a regex, and C<\1>,
-C<\2>, ... only inside a regex.
+C<$1>, C<$2>, ... should only be used outside of a regex, and C<\g1>,
+C<\g2>, ... only inside a regex.
 
 =head2 Matching repetitions
 
@@ -347,7 +347,7 @@ Here are some examples:
 
     /[a-z]+\s+\d*/;  # match a lowercase word, at least some space, and
                      # any number of digits
-    /(\w+)\s+\1/;    # match doubled words of arbitrary length
+    /(\w+)\s+\g1/;    # match doubled words of arbitrary length
     $year =~ /\d{2,4}/;  # make sure year is at least 2 but not more
                          # than 4 digits
     $year =~ /\d{4}|\d{2}/;    # better match; throw out 3 digit dates