* add a new paragraph to the end of the footnote
* @param paragraph
* @return the added XWPFParagraph
*/
public XWPFParagraph addNewParagraph(CTP paragraph) {
CTP newPara = ctFtnEdn.addNewP();
newPara.set(paragraph);
XWPFParagraph xPara = new XWPFParagraph(newPara, this);
paragraphs.add(xPara);
return xPara;
}