code: public boolean insertIntoNextEmptySlot() {
  		boolean found = searchFor(EMPTY);
  		if (found) {
  			Constant flag = INUSE_CONST;
  			setVal(currentPos(), flag);
  		}
  		return found;
  	}
docs: Inserts a new, blank record somewhere in the page. Return false if there
  were no available slots.
  
  @return false if the insertion was not possible