Examine source code of Marky Bookmarklet

{
  "name": "Marky Bookmarklet",
  "version": "0.4resigned1",
  "description": "Easy bookmarking from Chrome for marky.app",
  "browser_action": {
    "default_popup": "html/popup.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{39ec1932-9134-42ff-8187-347f2ae3b4a3}"
    }
  }
}