--+(repeatable choice) | |-- para -- (TEXT and elements) | |-- figure -- (elements) | |-- formaltable -- (elements) | |-- graphic | |-- informaltable -- (elements) | |-- chemeqn -- (elements) | |-- unnumchemeqn -- (elements) | |-- formula -- (TEXT and elements) | |-- compound -- (elements) | |-- structure | |-- matheqn -- (elements) | |-- unnummatheqn -- (elements) | |-- simplelist -- (elements) | |-- itemizedlist -- (elements) | |-- orderedlist -- (elements) | |-- deflist -- (elements) | |-- extract -- (elements) | |-- computertext -- (TEXT and elements) | |-- letter -- (elements) | |-- comment -- TEXT
<!ELEMENT definition (para | figure | formaltable | graphic | informaltable | chemeqn | unnumchemeqn | formula | compound | structure | matheqn | unnummatheqn | simplelist | itemizedlist | orderedlist | deflist | extract | computertext | letter | comment)+> <!ATTLIST definition %a-group-CommonIDAttrs;>