[ietf-dkim] New Issue: Development & Deployment guide improperly uses normative language

[Bill.Oxley at cox.com]

In particular, great care MUST be taken when
   releasing memory pages to the operating system to ensure that private
   key information is not disclosed to other processes.
Should be changed to
If one does not clearly understand how computers work you MUST NOT try
to create security programs for 3rd party use. 

Bill Oxley
Messaging Engineer
Cox Communications
404-847-6397