Bold text.
Italic text.
Fixed case: text that must always remain in its given case (upper or lower), regardless of context.
Fixed italic: text that must always be presented in italic, regardless of context.
Fixed roman: text that must always be presented in roman (upright), regardless of context.
Text that is to be typeset or otherwise rendered in small capitals.
CSS3 styling
wng:span
A span of text identified for special formatting or other purposes.
wng:sub
Subscript text.
Superscript text.