--- a/Preferences/__init__.py Sat Aug 01 18:38:52 2015 +0200 +++ b/Preferences/__init__.py Sun Aug 02 15:24:56 2015 +0200 @@ -915,6 +915,9 @@ "JavaScriptCanOpenWindows": websettings.testAttribute( QWebSettings.JavascriptCanOpenWindows), + "JavaScriptCanCloseWindows": + websettings.testAttribute( + QWebSettings.JavascriptCanCloseWindows), "JavaScriptCanAccessClipboard": websettings.testAttribute( QWebSettings.JavascriptCanAccessClipboard),