Tree node classification.
- Enumerator:
| node_null |
Undifferentiated entity.
|
| node_document |
A document tree's absolute root.
|
| node_element |
E.g. '<...>'.
|
| node_pcdata |
E.g. '>...<'.
|
| node_cdata |
E.g. '<![CDATA[...]]>'.
|
| node_comment |
E.g. ''.
|
| node_pi |
E.g. '<?...?>'.
|