return "EMPTY";
}
StringBuffer out = new StringBuffer();
Iterator<CssTok> it = input.iterator();
while (it.hasNext()) {
CssTok tok = it.next();
if (tok instanceof WSTok) {
out.append("WS");
}
else if (tok instanceof IdentifierTok) {
out.append("'");
out.append(((IdentifierTok) tok).getName());
out.append("'");
}
else {
out.append(tok.getClass().getSimpleName());
}
if (it.hasNext()) {
out.append(" / ");
}