anchor.diff:      ok = disk_log:close(n),
       BadFile2 = add_ext(File, 1), % current file
       set_opened(BadFile2),
  -    crash(BadFile2, 51), % the second binary is now invalid
  -    {repaired,n,{recovered,1},{badbytes,26}} =
  +    crash(BadFile2, 47), % the second binary is now invalid
  +    {repaired,n,{recovered,1},{badbytes,24}} =
   	disk_log:open([{name, n}, {file, File}, {type, wrap},
   		       {format, internal}, {size, {4000,No}}]),
       ok = disk_log:close(n),
  
positive.code:     ok = disk_log:close(n),
      {ok, n} = disk_log:open([{name, n}, {file, File}, {type, halt},
  			     {format, internal}, {mode, read_only}]),
      crash(File, 44), % the binary term {s} is now bad
      {J11, [{this,is}], 7} = disk_log:chunk(n, start, 10),
      {J21, [{on,a},{halt,file}]} = disk_log:chunk(n, J11),
      eof = disk_log:chunk(n, J21),
      ok = disk_log:close(n),
  
negative.code:     ok = disk_log:close(n),
      BadFile = add_ext(File, 2), % current file
      set_opened(BadFile),
      crash(BadFile, 26), % the binary is now invalid
      {repaired,n,{recovered,0},{badbytes,24}} =
  	disk_log:open([{name, n}, {file, File}, {type, wrap},
  		       {format, internal}, {size, {40,No}}]),
      ok = disk_log:close(n),
  