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%link-elements; Link Elements
Elements that can be included along with data characters inside the content model
of linking elements, such as <xref>, <target>, and <ext-link>.
Declaration
<!ENTITY % link-elements "| %emphasis.class; | %phrase-content.class; | %subsup.class;" >
Expanded Declaration
| bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | named-content | styled-content | sub | sup