emptyScreenContent :: ScreenContent
emptyScreenContent =
  assert (null $ validateSingle RK.emptyRuleContent emptyScreenContentRaw)
         emptyScreenContentRaw
emptyScreenContent :: ScreenContent
emptyScreenContent =
  assert (null $ validateSingle RK.emptyRuleContent emptyScreenContentRaw)
         emptyScreenContentRaw
emptyScreenContent =
  assert (null $ validateSingle RK.emptyRuleContent emptyScreenContentRaw)
         emptyScreenContentRaw