code: public boolean markRead(boolean read) {
  		if (PkRSS.getInstance() == null) return false;
  
  		PkRSS.getInstance().markRead(id, read);
  		return true;
  	}
docs: Adds this article's id to the read index.
  @param read Whether or not to mark it as read.
  @return {@code true} if successful, {@code false} if otherwise.