{
  "name": "zamboni",
  "version": "0.0.1",
  "private": true,
  "engines": {
    "node": ">= 0.6.15",
    "npm": ">= 1.1.x"
  },
  "dependencies": {
    "clean-css": "0.10.x",
    "less": "1.3.x",
    "stylus": "0.32.x",
    "uglify-js": "2.2.x"
  }
}

{
  "name": "zamboni",
  "version": "0.0.1",
  "private": true,
  "engines": {
    "node": ">= 0.6.15",
    "npm": ">= 1.1.x"
  },
  "dependencies": {
    "acorn": "0.4.0",
    "clean-css": "0.10.x",
    "less": "1.3.x",
    "stylus": "0.32.x",
    "uglify-js": "2.2.x"
  }
}

Add acorn as dependency (validator support)
Add acorn as dependency (validator support)

We're switching away from Spidermonkey and using Acorn instead.