UNKNOWN_NODE (0) The node type is unknown (not part of DOM) ELEMENT_NODE (1) The node is an Element. NO_MODIFICATION_ALLOWED_ERR) when you try to edit a readonly node.
The get Ignore Read Only method simply returns its current value.
The first method returns whether reserved names are allowed.
Several years back I found one that was just a single file solution but I can't find it anymore.
I'm after some links and suggested ones that are very small and lightweight ideally suited for an embedded platform.
Update: Here's the question/answer that references it: Is there a good tiny XML parser for an embedded C project?