Hide long link behind its description.

Remove the 'new' feature for postfix dereferencing, since it is no more
as much 'new' as it was.

Author: fluca1978

doc/Language/5to6-nutshell.pod6

@@ -533,10 +533,10 @@ we now use the dot operator C<.> for those tasks.
         say $hashref.{'fire bad'};
         say $subref.($foo, $bar);
 
-In recent versions of Perl 5 (5.20 and later), a new feature allows the use of the arrow op
-for dereferencing. See
-L<http://search.cpan.org/~shay/perl-5.20.1/pod/perl5200delta.pod#Experimental_Postfix_Dereferencing>
-That new feature corresponds Perl 6 C<.list> and C<.hash> methods:
+In recent versions of Perl 5 (5.20 and later), a new feature allows the use of the arrow
+operator for dereferencing:  see
+L<Postfix Dereferencing|http://search.cpan.org/~shay/perl-5.20.1/pod/perl5200delta.pod#Experimental_Postfix_Dereferencing>
+Such feature corresponds to Perl 6 C<.list> and C<.hash> methods:
 
 =for code :lang<perl5>
     # Perl 5.20