Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@mark thanks a lot yep the bug appears anytime you click then shift( which happens sometime on fine tuning parameters) all the best, and have a happy new year, full of creativity and meetings on line ;-) ( thanks for sharing those)
