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diff --git a/data/extensions/jsr@javascriptrestrictor/wrappingS-HTML.js b/data/extensions/jsr@javascriptrestrictor/wrappingS-HTML.js
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+/** \file
+ * \brief This file contains wrapper that clears the window.name property
+ *
+ * \see https://developer.mozilla.org/en-US/docs/Web/API/Window/name
+ *
+ *  \author Copyright (C) 2020  Martin Bednar, Libor Polcak
+ *
+ *  \license SPDX-License-Identifier: GPL-3.0-or-later
+ */
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+//
+
+/** \file
+ * \ingroup wrappers
+ *
+ * `window.name` provides a simple cross-origin tracking method of the same tab:
+ *
+ * ```js
+ * window.name = "8pdRoEaQCpsjtC8w07dOy7xwXjXrHDyxxmPWBUxQKrh7xfJ4SYFH8QClp6U9T+Ypa8IEa5AwFw3x"
+ * ```
+ *
+ * Go to completely different web site and window.name stays the same.
+ *
+ * \see https://2019.www.torproject.org/projects/torbrowser/design/ provides a library build on
+ * top of `window.name`: https://www.thomasfrank.se/sessionvars.html.
+ *
+ * \see https://html.spec.whatwg.org/#history-traversal; this feature should not be ncessary
+ * for Firefox 86 or newer https://bugzilla.mozilla.org/show_bug.cgi?id=444222.
+ */
+
+/*
+ * Create private namespace
+ */
+(function() {
+	var wrappers = [
+		{
+			parent_object: "window",
+			parent_object_property: "name",
+			wrapped_objects: [],
+			helping_code: "/* window.name = ''; */", // we actually do this  in level_cache.js on eTLD+1 domain changes
+		},
+	]
+	add_wrappers(wrappers);
+})()