The document "Priority Queues for Common Lisp" has been submitted by Marco Antoniotti and has been accepted as CDR document 13. According to the CDR process, this document is now in its initial stage and will be finalized on March 31, 2013, unless withdrawn by the author beforehand. See http://cdr.eurolisp.org/document/13/ for the details of this document.
-- Pascal Costanza