* Transfer: - new methods for interactive debugging of 'transfer' and 'transfer_prover': 'transfer_start', 'transfer_step', 'transfer_end', 'transfer_prover_start' and 'transfer_prover_end'. This refers to 46af4f577c7e. See the Isar Reference Manual and the example file "~~/src/HOL/ex/Transfer_Debug.thy". Ondrej