Enum values
| Name | Value | Description |
|---|---|---|
| Note | 0 | A comment, or note. |
| Hide | 1 | Hide an object entirely. |
| Show | 2 | Show an object entirely. |
| Tint | 3 | Override the colour of an object. |
| Wipe | 4 | Unoverride the colour of an object. |
| Fade | 5 | Override the transparency of an object. |
| Icon | 6 | Override the symbol of a point. |
| Size | 7 | Override the radius of a point. |
| Dash | 8 | Override the dash pattern of a curve. |
| Wide | 9 | Override the width of a curve. |
| Cite | 10 | Cite another rule set by name. |