in reply to New Perl Certification Course

See my take on this from my Perl blog, including the very helpful reply from Trish at O'Reilly (update: and Peter Scott, the course creator).

-- Randal L. Schwartz, Perl hacker

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.