int nw = getMaxWidth(bv, this);
if (nw > 0 && old_max_width != nw) {
need_update = INIT;
old_max_width = nw;
bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
int nw = getMaxWidth(bv, this);
if (nw > 0 && old_max_width != nw) {
need_update = INIT;
old_max_width = nw;
bv->text->status(bv, LyXText::CHANGED_IN_DRAW);