* fast, not involve bits[0] or bits[4] (they're used elsewhere), and be
* somewhat consistent. And of course, the result should be a positive
* number.
- *
- * @returns a positive number which is a measure for
+ *
+ * @param a some hash code
+ * @param b some hash code
+ * @return a positive number which is a measure for
* hashcode proximity.
*/
unsigned int