[split] Humanist handwriting in the MS?

[Koen G]

I split this post off Rene's thread so the discussion about the humanist hand in the VM can be focused here. 
For starters, it would be interesting to know what exactly proponents meant when they said the VM script resembles humanist hand. Was this about actual Voynichese? Or marginalia? Or both? 

And perhaps most importantly, why did they come to this conclusion?