<!-- gueterzug.dtd -->
<!ELEMENT gueterzug (lokomotive, lokomotive?, waggon+)>
<!ELEMENT lokomotive (name?, lok_id, ps, antrieb)>
<!ELEMENT waggon (name?, waggon_id, klasse, reservation, ladung?)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT lok_id (#PCDATA)>
<!ELEMENT ps (#PCDATA)>
<!ATTLIST antrieb (Elektro | Diesel) "Elektro">
<!ELEMENT waggon_id (#PCDATA)>
<!ELEMENT klasse (#PCDATA)>
<!ELEMENT reservation (#PCDATA)>
<!ELEMENT ladung (#PCDATA)>