anchor.diff: +(* what is box *)
  +#indent "off"
  +
   [<AutoOpen>]
   module canopy.core
   
  
positive.code:         browser.SwitchTo().Alert().Dismiss()
          true)
      
  //assertions    
  let ( == ) item value =
      match box item with
  
negative.code:   
  let mutable browsers = []
  
  
  //misc
  let failsWith message = failureMessage <- message
  
  