* @param encoding The encoding that the output will be written in.
*/
public PDFMarkedContentExtractor(String encoding) throws IOException
{
addOperator(new BeginMarkedContentSequenceWithProperties());
addOperator(new BeginMarkedContentSequence());
addOperator(new EndMarkedContentSequence());
// todo: DP - Marked Content Point
// todo: MP - Marked Content Point with Properties
}