The Mercury logic programming system

Oh wow, Zoltan was one of my lecturers at UniMelb, and in one semester we were tasked with learning his Mercury language. So good to see it thriving still.

There are files in this repository that were last touched 32 years ago. Any reason to be posting it now?

The closest that I could find to a "what the fuck is this?" page is:

https://www.mercurylang.org/about.html