Content model for a chemical structure wrapper element, <chem-struct-wrap>
<!ENTITY % chem-struct-wrap-model "((%id.class;)*, label?, (%caption.class;)?, (%access.class; | %address-link.class;)*, (%inside-chem-struct-wrap.class;)+, (%display-back-matter.class;)* )" >
((object-id)*, label?, (caption)?, (alt-text | long-desc | email | ext-link | uri)*, (alternatives | chem-struct | graphic | media | preformat | textual-form)+, (attrib | permissions)* )
JATS-display1.ent