Content Model

<!ENTITY % term-elements
                        "| %address-link.class; |
                         %article-link.class; | %emphasis.class; |
                         %inline-display.class; |
                         %inline-math.class; | %phrase.class; |
                         %simple-link.class; | %subsup.class;"       >

Expanded Content Model

| email | ext-link | uri | inline-supplementary-material | related-article | related-object | bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | chem-struct | inline-formula | abbrev | named-content | styled-content | fn | target | xref | sub | sup