Elements that can be included along with data characters inside the content model of the <xref> element
Design Note: All inline mixes begin with an OR bar; since %link-elements; is an inline mix, the OR bar is already there and need not be added to %xref-elements;.
<!ENTITY % xref-elements
"%link-elements;" >| bold | italic | monospace | overline | roman | sc | strike | underline | named-content | styled-content | sub | sup
link3.ent