HtmlTokenizer
Performs the tokenization of the source code. Follows the tokenization algorithm at:
http://www.w3.org/html/wg/drafts/html/master/syntax.html
Gets or sets if CDATA sections are accepted.
Gets or sets if strict mode is used.
Gets or sets the current parse mode.
Fired in case of a parse error.
See 8.2.4 Tokenization
Gets the next available token.