Examine source code of WikiEnvOpen

{
  "manifest_version": 2,
  "name": "WikiEnvOpen",
  "version": "1.3resigned1",
  "description": "Open Environment Wiki Links in new window",
  "icons": {
    "48": "icons/Icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://wiki.adelaide.edu.au/its/Peoplesoft_HCM_Technical_Environment*"
      ],
      "js": [
        "WikiEnvOpen.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/Icon-32.png",
    "default_title": "WikiEnvOpen",
    "default_popup": "popup/choose_WikiEnvOpen.html"
  },
  "applications": {
    "gecko": {
      "id": "k7atwork@WikiEnvOpen"
    }
  }
}