%preformat-elements;
Preformatted Text Elements
Elements that may be included along with data characters inside the content model for the <preformat> element, in which whitespace, such as tabs, line feeds, and spaces, will be preserved
Model
<!ENTITY % preformat-elements
"| %access.class; | %address-link.class; |
%display-back-matter.class; |
%emphasis.class; | %phrase.class; |
%subsup.class;" >Expanded Model
| alt-text | long-desc | email | ext-link | uri | attrib | permissions | bold | fixed-case | italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | abbrev | milestone-end | milestone-start | named-content | styled-content | sub | sup