| Name | Description |
|---|---|
| NotConvertable | Exception thrown if a visitor finds something that it can not use. |
| Parser | Exception thrown if a parse error occurs |
| Token | Exception thrown if a parse error occurs |
| TokenMismatch | Exception thrown if a token is encountered which was not expected. |
| UnexpectedEndOfFile | Exception thrown if an unexpected end of file is detected. |
| UnknownPseudoClass | Exception thrown if an a pseudo class is found and the name is not known. |
| UnknownPseudoElement | Exception thrown if an a pseudo element is found and the name is not known. |