Examine source code of FixMeetup

{
  "description": "Minimal interface for meetup!",
  "manifest_version": 2,
  "name": "FixMeetup",
  "version": "1.10",
  "homepage_url": "https://github.com/oliverrgs/fixMeetup",
  "icons": {
    "48": "icons/fix48.png"
  },
  "permissions": [
    "*://www.meetup.com/*",
    "*://meetup.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.meetup.com/*"
      ],
      "js": [
        "fixMeetup.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ca50cdbe-ccf1-42e8-9e23-6027c59ec569}"
    }
  }
}