/** Check whether two blocks are known to be matching
*
- * @param state State used
* @param b1 Block of state 1
* @param b2 Block of state 2
* @return if the blocks are known to be matching
/** Check whether two fragments are known to be matching
*
- * @param state State used
* @param b1 Block of state 1
* @param f1 Fragment of state 1
* @param b2 Block of state 2