Content model for the journal metadata element (<journal-meta>)
<!ENTITY % journal-meta-model "(journal-id+, journal-title-group*, (%contrib-group.class; | %aff-alternatives.class;)*, issn+, issn-l?, isbn*, publisher?, notes*, self-uri*)" >
(journal-id+, journal-title-group*, (contrib-group | aff | aff-alternatives)*, issn+, issn-l?, isbn*, publisher?, notes*, self-uri*)
JATS-journalpubcustom-models1.ent