Names graphical or other image-related elements in the Archiving and Interchange DTD Suite that cannot be used inline, but only as block elements. The display elements may occur within the text of a table cell or paragraph, although they are typically at the same hierarchical level as a paragraph.
<!ENTITY % block-display.class "array | boxed-text |
chem-struct-wrapper | chem-struct | fig | fig-group | graphic | preformat |
supplementary-material | table-wrap | table-wrap-group" >archivecustomize.ent