Content model for the <app> element
<!ENTITY % app-model "(%sec-model;, permissions?)" >
((sec-meta?, ( (label, title?) | title ), (address | alternatives | array | boxed-text | chem-struct-wrap | fig | fig-group | graphic | media | preformat | supplementary-material | table-wrap | table-wrap-group | disp-formula | disp-formula-group | def-list | list | tex-math | mml:math | p | related-article | related-object | disp-quote | speech | statement | verse-group)*, (sec)*, (fn-group | glossary | ref-list)* ), permissions?)
JATS-backmatter1.ent