Implementation Notes

This site is best viewed with a recent version of Chrome , Edge , Firefox , Opera or Safari .

As of late March, 2020 a new implementation of the code underlying is being used. While the code serving it is completely different, the site should look little changed from the previous one, the principle differences visible to users being

In addition several bugs have been fixed, and the site has moved to a different hosting provider.

As this is a complete reimplementation of the site it is likely some new bugs have been introduced. Please let me know if you see anything I’ve gotten wrong.