@johnnyorange Glad I could help! Took me weeks to figure that out lol....I would caution using that in production though, not sure the security implications for accepting the older key type.
Yes the docs are a huge help when crafting big nuanced config scripts. The lead maintainer Chad Smith gave me some pro-tips as well and was a huge help for me when I was learning that stuff. Yes I agree, Xcp-ng rocks!!