Examine source code of no-np

{
  "manifest_version": 2,
  "name": "no-np",
  "description": "Converts np links on reddit to regular links",
  "version": "1.3.1resigned1",
  "content_scripts": [
    {
      "matches": [
        "http://*.reddit.com/*",
        "https://*.reddit.com/*"
      ],
      "js": [
        "fixlinks.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "http://*.reddit.com/*",
    "https://*.reddit.com/*"
  ],
  "icons": {
    "16": "./icons/icon16.png",
    "32": "./icons/icon32.png",
    "48": "./icons/icon.png",
    "64": "./icons/icon64.png",
    "128": "./icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@nonp"
    }
  }
}