.push(new LinkedHashSet<AbstractHtml>(appendedChildTags));
while (childrenStack.size() > 0) {
final Set<AbstractHtml> children = childrenStack.pop();
for (final AbstractHtml child : children) {
if (child.getDataWffId() == null) {
<BUG>final String wffId = browserPage.getNewDataWffId();
child.setDataWffId(new DataWffId(wffId));
</BUG>
}
tagByWffId.put(child.getDataWffId().getValue(), child);

.push(new LinkedHashSet<AbstractHtml>(appendedChildTags));
while (childrenStack.size() > 0) {
final Set<AbstractHtml> children = childrenStack.pop();
for (final AbstractHtml child : children) {
if (child.getDataWffId() == null) {
child.setDataWffId(browserPage.getNewDataWffId());
}
tagByWffId.put(child.getDataWffId().getValue(), child);
