Let's imagine following situation:
I've got a job from stratum pool, miner found golden nonce and sending it over the pool.
While waiting for pool response, miner found another satisfying nonce within the same job.
Question1: will stratum mark second nonce as stale or reject it when submitted to the pool? Question2: if I found another nonce by increasing nonce2 field for the same job ID, will it be accepted by the pool?