               result.push [' ']
 
   if allEqual or (opcodes.length is 0)
-    # result = undefined
+    result = undefined
     score  = 100
   else
     score  = Math.max(0, score)

    if obj1 != obj2
      [0, { __old: obj1, __new: obj2 }]
    else
      [100, obj1]
  else
    [100, undefined]


              result.push ['~', change]
              allEqual = no
            else
              result.push [' ']
          else
            result.push [' ', item]
          score += 10
