private boolean isBlock(Node n) {
boolean block = false;
if (n != null && n instanceof Element) {
Element el = (Element) n;
block = el.isBlock() || el.tagName().equals("br");
}
return block;
}
void appendTextSkipHidden(Element e, StringBuilder accum) {
for (Node child : e.childNodes()) {
if (unlikely(child)) continue;
if (child instanceof TextNode) {
TextNode textNode = (TextNode) child;
String txt = textNode.text();
accum.append(txt);
} else if (child instanceof Element) {
Element element = (Element) child;
if (accum.length() > 0 && element.isBlock() && !lastCharIsWhitespace(accum))
accum.append(" ");
else if (element.tagName().equals("br")) accum.append(" ");
appendTextSkipHidden(element, accum);
}
}
}