| Feature | Description |
| <a>...</a> | HTML link |
| <big>...</big> | Increase font size by 1 |
| <small>...</small> | Decrease font size by 1 |
| <b> ... </b> | Bold text |
| <i> ... </i> | Italic text |
| <u> ... </u> | Underline text |
| <hr> | Horizontal line |
| <strike> ... </strike> | Strike-through text |
| <sub> ...</sub> | Subscript |
| <sup>...</sup> | Superscript |
| <font [attr]>... </font> | Change font |