docs: MemoEntry processIgnoredTokens(ParseTreeNode node, int position, int line) throws TreeException, ParserException {
  	MemoEntry progress = MemoEntry.success(0, 0, node);
  	MemoEntry newProgress = MemoEntry.success(0, 0, null);
  	do {
  	    for (TokenDefinition tokenDefinition : hiddenAndIgnoredTokens) {
  		newProgress = processTokenDefinition(node, tokenDefinition, position + progress.getDeltaPosition(),
  			line + progress.getDeltaLine());
  		if (!newProgress.getAnswer().equals(Status.FAILED)) {
  		    progress.add(newProgress);
  		    break;
  		}
  	    }
  	} while (newProgress.getDeltaPosition() > 0);
  	return progress;
      }