t7895c.scala:2: error: not found: value bong
  def booboo = bong + booble + bippity - bazingo
               ^
t7895c.scala:2: error: not found: value booble
  def booboo = bong + booble + bippity - bazingo
                      ^
t7895c.scala:2: error: not found: value bippity
  def booboo = bong + booble + bippity - bazingo
                               ^
t7895c.scala:2: error: not found: value bazingo
  def booboo = bong + booble + bippity - bazingo
                                         ^
four errors found