*/
public List getNextKnuthElements(LayoutContext context, int alignment,
LeafPosition restartPosition) {
log.trace("Restarting line breaking from index " + restartPosition.getIndex());
int parIndex = restartPosition.getLeafPos();
KnuthSequence paragraph = knuthParagraphs.get(parIndex);
paragraph.subList(0, restartPosition.getIndex() + 1).clear();
Iterator<KnuthElement> iter = paragraph.iterator();
while (iter.hasNext() && !iter.next().isBox()) {
iter.remove();
}
if (!iter.hasNext()) {
knuthParagraphs.remove(parIndex);