%std-elements;
Standard Elements
Elements that can be included along with data characters inside the content model of the <std> element.
Model
<!ENTITY % std-elements "| %emphasis.class; | %phrase-content.class; | %std.class; | %subsup.class;" >
Expanded Model
| bold | fixed-case | italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | named-content | styled-content | day | month | pub-id | source | std-organization | year | sub | sup