1 <!ELEMENT sheet (name, description*, contents)
>
3 xmlns CDATA #FIXED 'http://www.lysator.liu.se/~alla/dia/dia-sheet-ns'
>
5 <!ELEMENT name (#PCDATA)*
>
7 <!ELEMENT description (#PCDATA)*
>
9 xml:lang NMTOKEN #IMPLIED 'C'
>
11 <!ELEMENT contents (object | shape | br)*
>
13 <!ELEMENT object (description)*
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16 intdata CDATA #IMPLIED
>
18 <!ELEMENT shape (description)*
>
20 name CDATA #REQUIRED
>