code: @Pure
  	public static int compareAttrNames(String arg0, String arg1) {
  		if (arg0 == arg1) {
  			return 0;
  		}
  		if (arg0 == null) {
  			return Integer.MAX_VALUE;
  		}
  		if (arg1 == null) {
  			return Integer.MIN_VALUE;
  		}
  		return arg0.compareToIgnoreCase(arg1);
  	}
docs: Compare the two specified attribute names.
  
  @param arg0 first attribute.
  @param arg1 second attribute.
  @return replies a negative value if {@code arg0} is lesser than
  {@code arg1}, a positive value if {@code arg0} is greater than
  {@code arg1}, or <code>0</code> if they are equal.
  @see AttributeNameComparator