Examine source code of Wikipedia Anywhere

{
  "name": "Wikipedia Anywhere",
  "short_name": "iwanywhere",
  "description": "Access to a floating mobile version of Wikipedia on any webpage",
  "author": "Ray Lothian",
  "version": "0.1.2resigned1",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "data/icons/32.png",
    "data/icons/loading.svg"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "config.js",
      "common.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://*.m.wikipedia.org/*"
      ],
      "js": [
        "/config.js",
        "data/inject/inject.js"
      ],
      "css": [
        "data/inject/inject.css"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "homepage_url": "http://add0n.com/page-anywhere.html?from=wikipedia",
  "icons": {
    "16": "data/icons/16.png",
    "48": "data/icons/48.png",
    "128": "data/icons/128.png"
  },
  "options_ui": {
    "page": "data/options/index.html",
    "chrome_style": true
  },
  "applications": {
    "gecko": {
      "id": "{a14e422f-9130-47b3-b5c3-834295249c6f}"
    }
  }
}