Giving this a go, as I'm already using Hyper-V with some guest OS' on this machine I had to fiddle with the Virtualbox settings to get the installer going, but it seems to be working‼
"Push-button installer of macOS Catalina, Mojave, and High Sierra guests in Virtualbox for Windows, Linux, and macOS" https://github.com/myspaghetti/macos-virtualbox



@omgmog I never stumble on a case like this, probably because I have a compulsion not to leave a text node untagged. In your second example I would have had:
HelloWorld
And, off-topic: do we have markdown in Mastodon? I had to refrain from wrapping the above code within ``
Minutes to Midnight, May 04 2022 via indieweb.social