@ReneZ: That's how it goes 
I found a post from @JKP You are not allowed to view links. Register or Login to view. and compared to "circa instans" ( top right ). At least, I thought it is "circa instans":
![[Image: comp_teasel.png]](http://wwwhomes.uni-bielefeld.de/mwille2/VMS/comp_teasel.png)
Then I thought it's is like "comparing apples to pears" as we say here - and gave up. Anyway, thank you for your help.
I found a post from @JKP You are not allowed to view links. Register or Login to view. and compared to "circa instans" ( top right ). At least, I thought it is "circa instans":Then I thought it's is like "comparing apples to pears" as we say here - and gave up. Anyway, thank you for your help.