   n: n
 
 spectacular.utils.stringDiff = (o, n) ->
-  return utils.TAGS.delStart + o + utils.TAGS.delEnd if not n? or n.length is 0
-  return utils.TAGS.insStart + n + utils.TAGS.insEnd if not o? or o.length is 0
+  return utils.del o if not n? or n.length is 0
+  return utils.ins n if not o? or o.length is 0
   o = String(o).replace(/\s+$/, "")
   n = String(n).replace(/\s+$/, "")
   out = utils.diff((if o is "" then [] else o.split(/\s+/)), (if n is "" then [] else n.split(/\s+/)))

    when 'number', 'boolean' then utils.stringDiff left.toString(), right.toString()
    when 'object'
      unless utils.isArray(left) is utils.isArray(right)
        return utils.TAGS.delStart + utils.inspect(left, depth) + utils.TAGS.delEnd +
               utils.TAGS.insStart + utils.inspect(right, depth) + utils.TAGS.insEnd

      ind = utils.fill (depth) * 2
      prevInd = utils.fill (depth - 1) * 2


  unless typeLeft is typeRight
    s = ''
    s += utils.del utils.inspect(left, depth) if left?
    s += utils.ins utils.inspect(right, depth) if right?
    return s

  switch typeLeft
