* the relationship type must be http://schemas.openxmlformats.org/officeDocument/2006/relationships/notes
*/
XSLFNotes(PackagePart part, PackageRelationship rel) throws IOException, XmlException {
super(part, rel);
NotesDocument doc =
NotesDocument.Factory.parse(getPackagePart().getInputStream());
_notes = doc.getNotes();
setCommonSlideData(_notes.getCSld());
}