Content Model

<!ENTITY % named-content-elements
                        "| %all-phrase; |
                         %block-display-noalt.class; |
                         %block-math.class; | %list.class; |
                         %rest-of-para.class;"                       >

Expanded Content Model

| email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | alternatives | inline-graphic | private-char | chem-struct | inline-formula | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | x | address | 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 | ack | disp-quote | speech | statement | verse-group