Content Model

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

Expanded Content Model

| email | ext-link | uri | inline-supplementary-material | related-article | related-object | bold | italic | monospace | overline | roman | sans-serif | sc | strike | underline | 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