Examine source code of EasyBkmk

{
  "default_locale": "en",
  "manifest_version": 2,
  "name": "__MSG_enm__",
  "version": "1.3",
  "description": "__MSG_edesc__",
  "icons": {
    "48": "imgs/easy_bkmk.png"
  },
  "permissions": [
    "bookmarks",
    "*://*.neocities.org/*"
  ],
  "browser_action": {
    "default_icon": "imgs/easy_bkmk.png",
    "default_title": "__MSG_etit__",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fd550ceb-f6f7-47a0-b491-1970f865fde3}"
    }
  }
}