BitKeeper/deleted/.del-xa.h~4021d7e61ff515b:
  Delete: innobase/include/xa.h
innobase/include/trx0trx.h:
  Change xa.h to trx0ha.h.
innobase/include/trx0undo.h:
  Split TRX_UNDO_DICT_OPERATION field to two fiels: first contains
  TRX_UNDO_XID_EXISTS flag which is TRUE if log header contains
  X/Open XA XID and the second one contains TRX_UNDO_DICT_TRANS
  flag which is TRUE if the transaction is dictionary transaction.
innobase/trx/trx0trx.c:
  Remove unnecessary and erroneus code from prepare. Add some 
  informative printouts of prepared transactions.
innobase/trx/trx0undo.c:
  Split TRX_UNDO_DICT_OPERATION field to two fields: the first field
  is TRX_UNDO_XID_EXISTS flag which is true if the log header contains
  X/Open XA XID and the second field is TRX_UNDO_DICT_TRANS flag
  which is true if the transaction was a dictionary transaction.
sql/ha_innodb.cc:
  Code cleanup.