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manifest.json
{
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://addons.mozilla.org/firefox/addon/open-page-in-private-window/",
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.2.1",
  "applications": {
    "gecko": {
      "id": "open-page-in-private-window@cpeterso.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.svg",
    "default_title": "__MSG_actionTitle__"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "permissions": [
    "activeTab",
    "contextMenus"
  ]
}