* section_meeting at a time. I.e., when they do tabular data right.

   *

   * \param $dept

   *   The department this section_meeting's course belongs to.

   * \param $course

   *   The course number this section_meeting's section belongs to.

   * \param $title

   *   The course title of the given course the section_meeting or

   *   NULL. If the section has already been added, this parameter

   *   will be ignored.

   * \param $section

   *   The letter or numbers which make up the section's name.

   * \param $synonym

   *   The section synonym or NULL.

   * \param $section_meeting

   *   The SectionMeeting to be added to a section which may or may

   *   not already be in this Semester.

   * \param $course_slot_id

   *   The name of the new CourseSlot to create if the given section

   *   does not yet exist.

   * \param $credit_hours

   *   The number of credit hours of the associated course or a

   *   negative value if unknown.

   */

  {

    $dept = strtoupper($dept);

    $course = strtoupper($course);

    if (empty($this->departments[$dept][$course]))

      $course_obj = NULL;

    else

      {

	$course_obj = $this->departments[$dept][$course];

	$section_obj = $course_obj->section_get($section);

      }

    if (empty($course_obj) || empty($section_obj))

      return $this->section_add($dept, $course, new Section($section, array($section_meeting), $synonym, $credit_hours), $title, $course_slot_id);

    $section_obj->meeting_add($section_meeting);

    return;

  }

  /**

   * \brief

   *   Update the time_end.

   *

   * The time_end is a unix timestamp roughly estimating the time at

   * which a semester starts. It is used when guessing what semester a