Document Type Definition - level 2

<!-- Numberparagraph -->

<!ELEMENT nrpar - O ((catnr+,shared?,(artefdata | subnrkomm)+,shared?)>

<!-- The Museumcatalogue number ('6756') -->

<!ELEMENT catnr - O (#PCDATA) >

<!-- Shared information for all subnumbers -->

<!ELEMENT shared - O (#PCDATA | findcat | age | finder | acqui | findloc | refnr | donator)+>

<!-- Artefactdata -->

<!ELEMENT artefdata - O (subnr?,(age | artefact | artefpart | form | mat | number | meas | weight | colour | decor | litref | ref~nr | #PCDATA)+)>