 the base
          context necessary to properly resolve relative references.
        </p>
      </section>

      <section id="dates">
        <h3>Date and Times</h3>
        <p>
          All properties with date and time values MUST conform to the
          "date-time" production in [[!RFC3339]] with the one exception
          that seconds MAY be omitted. An uppercase "T"
          character MUST be used to separate date and time, and an
          uppercase "Z" character MUST be used in the absence of 