message: Enforce balanced block comments
diff: @@ -344,7 +344,12 @@ module.exports = {
  "spaced-comment": [
  "error",
  "always",
  - { "markers": ["!"] }
  + {
  + "block": {
  + "markers": ["!"],
  + "balanced": true
  + }
  + }
  ],
  "use-isnan": "error",
  "valid-typeof": "off",
  