Sep 21, 2017 05:11 AM|wim sturkenboom|LINK
Thanks for the explanation; that was what I was looking for. It also explains some other 'funnies' that I noticed while developing. The stackoverflow link was very useful (not sure why I did not find it); it gives alternative options as well.
I will rethink the design a little; a fixed height is probably not the way I want to go.