Elements that may be used inside the content model of most highlighting elements (i.e., the Emphasis Rendition Class Elements)
<!ENTITY % emphasized-text
"| %all-phrase; | %break.class;" >| email | ext-link | uri | inline-supplementary-material | related-article | related-object | hr | bold | fixed-case | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | strike | underline | underline-start | underline-end | ruby | 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 | x | break
JATS-archivecustom-mixes1.ent