Elements that can be included along with data characters inside the content model of the <verse-line> element
<!ENTITY % verse-line-elements "%simple-text;" >
| bold | italic | monospace | overline | roman | sans-serif | sc | strike | underline | alternatives | inline-graphic | chem-struct | inline-formula | abbrev | named-content | styled-content | sub | sup
JATS-para0.ent