Checking Business Requirements

(requirements stated in separate document)

Some requirements for citations:

• Warn when a <mixed-citation>’s @citation-type value is not one of the types specified in references-authority table
• Warn when a <mixed-citation> of a certain type does not contain the elements required by the specifications for that type
• mixed-citation/label must not contain a period
• <conf-name> in a citation must not contain the literal string “presented”
  (string should be case insensitive)
• <year> element inside <mixed-citation> must conform to one of the following patterns:
  YYYY; YYYY-YYYY; YYYY-YY; YYYY, YYYY; or YYYY/YYYY
• Elements appearing as children of <mixed-citation> may not be empty.