Files in this directory are programs that a are used in testing.

Each is in the format of a Perl module.

BEGIN FIXME: change this so that each can by syntax checked for correctness just by running the perl interpreter over it. For example:

$ perl P520.pm

end FIXME

The beginning of the file include and before the first line that starts

__DATA__

is skipped over.

The format of each subsequent test is as follows.