Actually it seems to be a bug in macOS that the code is not working (https://openradar.appspot.com/14285519 ) unfortunately it has been there for at least 10 years, thus very unlikely Apple will ever fix this.
Actually it seems to be a bug in macOS that the code is not working (https://openradar.appspot.com/14285519 ) unfortunately it has been there for at least 10 years, thus very unlikely Apple will ever fix this.