category into a fatal error, so the program terminates immediately it
encounters the warning.
+To explicitly disable a "FATAL" warning you just disable the warning it is
+associated with. So, for example, to disable the "void" warning in the
+example above, either of these will do the trick:
+
+ no warnings qw(void);
+ no warnings FATAL => qw(void);
=head2 Reporting Warnings from a Module