Number and/or prefix word placed at the beginning of display elements (for example, equation, statement, figure).
Any combination of:
Text, numbers, or special characters
Emphasis Elements
<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
<alternatives> Alternatives For Processing
Inline Display Elements
<inline-graphic> Graphic, Inline
<private-char> Private Character (Custom or Unicode)
<chem-struct> Chemical Structure (Display)
<inline-formula> Formula, Inline
<sub> Subscript
<sup> Superscript