Schematron using XPath 2.0
Display Dictionary: In the disp:Local_Internal_Reference class, the value of the disp:local_identifier_reference must match the value of the pds:local_identifer of an Array class or sub-class within the File_Area.
Display Dictionary: If the Display_Direction class is in the label, it must be contained in a Display_Settings class.
Display_Dictionary: In the disp:Local_Internal_Reference class, the value of the disp:local_reference_type must be 'display_settings_to_array'.
Display Dictionary: In the disp:Display_Direction class, the disp:horizontal_display_direction must be equal to one of the following values: 'Left to Right', 'Right to Left'.
Display Dictionary: In the disp:Display_Direction class, the disp:vertical_display_direction must be equal to one of the following values: 'Top to Bottom', 'Bottom to Top'.
Display Dictionary: In the disp:Movie_Display_Settings class, the disp:loop_flag must be equal to one of the following values: 'true', 'false'.
Display Dictionary: In the disp:Movie_Display_Settings class, the disp:loop_back_and_forth_flag must be equal to one of the following values: 'true', 'false'.