Both variables and routines can have attribute handlers. Handlers can
be specific to type (SCALAR, ARRAY, HASH, or CODE), or specific to the
exact compilation phase (BEGIN, CHECK, INIT, or END).
+See L<Attribute::Handlers>.
=item *
C<Devel::PPPort>, originally from Kenneth Albanowski and now
maintained by Paul Marquess, has been added. It is primarily used
by C<h2xs> to enhance portability of XS modules between different
-versions of Perl.
+versions of Perl. See L<Devel::PPPort>.
=item *
C<Hash::Util> is the interface to the new I<restricted hashes>
feature. (Implemented by Jeffrey Friedl, Nick Ing-Simmons, and
-Michael Schwern.)
+Michael Schwern.) See L<Hash::Util>.
=item *
=item *
C<Math::BigRat> for big rational numbers, to accompany Math::BigInt and
-Math::BigFloat, from Tels.
+Math::BigFloat, from Tels. See L<Math::BigRat>.
=item *
=item *
C<Tie::File>, by Mark-Jason Dominus, associates a Perl array with the
-lines of a file.
+lines of a file, see L<Tie::File>.
=item *
-C<Tie::Memoize>, by Ilya Zakharevich, provides on-demand loaded hashes.
+C<Tie::Memoize>, by Ilya Zakharevich, provides on-demand loaded hashes,
+see L<Tie::Memoize>.
=item *