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%def-list-head-elements; Definition List Head Elements
Elements that can be included along with data characters inside the content models
of the <term-head> and <def-head> elements.
Declaration
<!ENTITY % def-list-head-elements
"%simple-phrase;" >Expanded Declaration
| email | ext-link | uri | bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | inline-media | chem-struct | inline-formula | mml:math | abbrev | index-term | index-term-range-end | named-content | styled-content | fn | target | xref | sub | sup