very hard to fix are and therefore the 5.005 threads model is still
classified as an experimental feature.
+=head2 Long Doubles on Tru64
+
+You cannot Configure Perl to use long doubles unless you have at least
+Tru64 V5.0, the long double support simply wasn't functional before
+that.
+
=head2 64-bit Perl on Tru64
In Tru64 Perl's integers are automatically 64-bit wide, there is