The POD has a typo in the following three pragmas:
bigint
bignum
bigrat
The typo is similar for each pragma: CAVAETS should be changed to CAVEATS.
See the documentation about the copy constructor and C<=> in overload, as
well as the documentation in BigInt for further details.
-=head1 CAVAETS
+=head1 CAVEATS
=over 2
minus infinity. You will get '+inf' when dividing a positive number by 0, and
'-inf' when dividing any negative number by 0.
-=head1 CAVAETS
+=head1 CAVEATS
=over 2
=back
-=head1 CAVAETS
+=head1 CAVEATS
=over 2