$this->class_add($classobj);

      }

    else

      {

	$classobj = $this->departments[$dept][$class];

      }

    $classobj->section_add($section, $course_slot_id);

  }

  /**

   * \brief

   *   Add a section_meeting, calling Semester::section_add() as

   *   necessary.

   *

   * To be used by crawlers when parsing data which only presents one

   * 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

   * \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.

   */

  public function section_meeting_add($dept, $course, $title, $section, $synonym, $section_meeting, $course_slot_id = 'default', $credit_hours = -1.0)

  {

    $dept = strtoupper($dept);

    $course = strtoupper($course);

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

      $course_obj = NULL;

    else

      {

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