%comment-elements;
Comment Elements
Elements that can be included along with data characters inside the content model of the <comment> element, which is a textual annotation within a citation
Model
<!ENTITY % comment-elements "| %address-link.class; | %article-link.class; | %emphasis.class; | %inline-display.class; | %inline-math.class; | %phrase.class; | %subsup.class;" >
Expanded Model
| email | ext-link | uri | inline-supplementary-material | related-article | related-object | bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | chem-struct | inline-formula | abbrev | named-content | styled-content | sub | sup