Content model for the metadata that is specific to a book component (<book-part-meta>)
<!ENTITY % book-part-meta-model "(book-part-categories?, title-group, (contrib-group | aff)*, author-notes?, pub-date*, volume?, volume-id?, issue?, ((fpage, lpage?) | elocation-id)?, (supplementary-material)*, history?,permissions?, self-uri*, alternate-form*, abstract*, trans-abstract*, kwd-group*, counts?, (%address-link.class; | %custom-meta.class; | %front-back.class;)* )" >
(book-part-categories?, title-group, (contrib-group | aff)*, author-notes?, pub-date*, volume?, volume-id?, issue?, ((fpage, lpage?) | elocation-id)?, (supplementary-material)*, history?,permissions?, self-uri*, alternate-form*, abstract*, trans-abstract*, kwd-group*, counts?, (email | ext-link | multi-link | uri | custom-meta-group | notes)* )
bookpart3.ent