Content Model

<!ENTITY % named-content-elements
                        "| %address-link.class; |
                         %article-link.class; |
                         %block-display.class; | %block-math.class;|
                         %emphasis.class;  |
                         %inline-display-noalt.class; |
                         %inline-math.class; | %list.class; |
                         %math.class; | %phrase.class; |
                         %simple-link.class; |
                         %subsup.class; | %rest-of-para.class;"      >

Expanded Content Model

| email | ext-link | uri | inline-supplementary-material | related-article | related-object | address | alternatives | array | boxed-text | chem-struct-wrap | code | fig | fig-group | graphic | media | preformat | supplementary-material | table-wrap | table-wrap-group | disp-formula | disp-formula-group| bold | fixed-case | italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | inline-graphic | private-char | chem-struct | inline-formula | def-list | list | tex-math | mml:math | abbrev | milestone-end | milestone-start | named-content | styled-content | fn | target | xref | sub | sup | disp-quote | speech | statement | verse-group