C<gmtime>, C<localtime>, C<time>, C<times>
-=item Functions new in perl5
-X<perl5>
-
-C<abs>, C<bless>, C<break>, C<chomp>, C<chr>, C<continue>, C<default>,
-C<exists>, C<formline>, C<given>, C<glob>, C<import>, C<lc>, C<lcfirst>,
-C<lock>, C<map>, C<my>, C<no>, C<our>, C<prototype>, C<qr//>, C<qw//>, C<qx//>,
-C<readline>, C<readpipe>, C<ref>, C<sub>*, C<sysopen>, C<tie>, C<tied>, C<uc>,
-C<ucfirst>, C<untie>, C<use>, C<when>
-
-* C<sub> was a keyword in Perl 4, but in Perl 5 it is an
-operator, which can be used in expressions.
-
-=item Functions obsoleted in perl5
-
-C<dbmclose>, C<dbmopen>
-
=back
=head2 Portability