Called when cdata blocks are found string contains the cdata content
Characters read between a tag string contains the character data
Called when comments are encountered string contains the comment data
Called when document ends parsing
Called at the end of an element name is the tag name
Called on document errors string contains the error
Called when document starts parsing
Called at the beginning of an element name is the name of the tag with attrs as attributes
Called on document warnings string contains the warning
[Validate]