     400 <= xhr.status < 600
 
   validContent = ->
-    (contentType = xhr.getResponseHeader('Content-Type'))? and 
+    (contentType = xhr.getResponseHeader('Content-Type'))? and
       contentType.match /^(?:text\/html|application\/xhtml\+xml|application\/xml)(?:;|$)/
 
   extractTrackAssets = (doc) ->



# The ComponentUrl class converts a basic URL string into an object
# that behaves similarly to document.location.  
#
# If an instance is created from a relative URL, the current document 
# is used to fill in the missing attributes (protocol, host, port).  
class ComponentUrl
  constructor: (@original = document.location.href) ->
    return @original if @original.constructor is ComponentUrl


  shouldIgnore: ->
    @crossOrigin() or
      @_anchored() or
      @_nonHtml() or
      @_optOut() or
      @_target()

  _anchored: ->
