Examine source code of RRiS

{
  "manifest_version": 2,
  "name": "RRiS",
  "version": "1.2resigned1",
  "description": "Redirects any and all reddit urls to the 'old' equivalent",
  "icons": {
    "48": "icons/rris.png"
  },
  "content_scripts": [
    {
      "exclude_matches": [
        "*://old.reddit.com/*",
        "*://np.reddit.com/*"
      ],
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "rris.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{699d1532-9f84-4da6-8cef-946617fd6504}"
    }
  }
}