%source-elements; Source Elements

Elements that can be included along with data characters inside the content model of the <source> and <trans-source> elements.
Declaration
<!ENTITY % source-elements
                        "| %abbrev.class; |
                         %address-link.class; |%emphasis.class; |
                         %inline-display.class; |
                         %inline-math.class; | %math.class; |
                         %phrase-content.class; | 
                         %simple-link.class; | %subsup.class;"       >
Expanded Declaration

| abbrev | email | ext-link | uri |bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | inline-media | chem-struct | inline-formula | mml:math | named-content | styled-content | fn | target | xref | sub | sup