Any combination of:

• Text, numbers, or special characters

• <email> Email Address

• <ext-link> External Link

• <uri> Uniform Resource Indicator (URI)

• <bold> Bold

• <italic> Italic

• <monospace> Monospace Text (Typewriter Text)

• <overline> Overline

• <roman> Roman

• <sans-serif> Sans Serif

• <sc> Small Caps

• <strike> Strike Through

• <underline> Underline

• <named-content> Named Special (Subject) Content

• <styled-content> Styled Special (Subject) Content

• <sub> Subscript

• <sup> Superscript