webextension-fallback.html (436B)
1 <!-- This Source Code Form is subject to the terms of the Mozilla Public 2 - License, v. 2.0. If a copy of the MPL was not distributed with this 3 - file, You can obtain one at https://mozilla.org/MPL/2.0/. --> 4 <!doctype html> 5 <meta charset="utf-8" /> 6 <meta http-equiv="Content-Security-Policy" content="default-src 'none';" /> 7 <title>Web Extension Fallback Document</title> 8 <h1>Your addon does not have any document opened yet.</h1>