BITS 0.2
( #PCDATA | bold | italic | monospace | overline | overline-start | overline-end |
roman | sans-serif | sc | strike | underline | underline-start | underline-end | named-content
| styled-content | sub | sup | x )*
BITS 1.0
( #PCDATA | bold | fixed-case | italic | monospace | overline | overline-start | overline-end
| roman | sans-serif | sc | strike | underline | underline-start | underline-end |
ruby | named-content | styled-content | sub | sup | x )*
BITS 2.0
( #PCDATA | bold | fixed-case | italic | monospace | overline | overline-start | overline-end
| roman | sans-serif | sc | serif | strike | underline | underline-start | underline-end
| ruby | named-content | styled-content | sub | sup | x )*
BITS 2.1
( #PCDATA | bold | fixed-case | italic | monospace | overline | overline-start | overline-end
| roman | sans-serif | sc | serif | strike | underline | underline-start | underline-end
| ruby | inline-graphic | inline-media | private-char | named-content | styled-content
| sub | sup | x )*