> On 2020-05-19, at 10:14 AM, Tobias Pape <Das.Linux at gmx.de> wrote:

> This is fine, but we have to be aware. 
> 
> so may layers.

I am very comfortable deferring tou your (or indeed anyone's) knowledge on this. I really don't want to even try to be expert here...

tim
--
tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
Useful random insult:- If brains were taxed, he'd get a rebate.