This is stuff that back in the day Gerard had on a plain web page at MPE.
In 2016, we took that over, essentially maintaining the web page thing.  I've
not really investigated whether this deserves better presentation.  At
least it's registered  now.

There's a redirect to here in www.g-vo.org's config.

The contact here was Franz Elsner <f.elsner@ucl.ac.uk>