TextChangingEvent(StyledTextContent source, StyledTextEvent e) {
public TextChangingEvent(StyledTextContent source) {
TextChangingEvent(StyledTextContent source, StyledTextEvent e) {	super(source);	start = e.start;	replaceCharCount = e.replaceCharCount;	newCharCount = e.newCharCount;	replaceLineCount = e.replaceLineCount;	newLineCount = e.newLineCount;	newText = e.text;}