When the computer communicates using any given protocol, it will support doing so, without prejudice, via whatever code you choose (assuming the code implements the intended protocol), and it will do nothing to help any other part of the Internet to distinguish which code you are using or what changes you may have made in it, or to discriminate based on your choice.

Why on earth don’t we have an enormous spam problem?” and my answer to that is: you know, I just don’t know. I guess implementing AP has been too much effort for spammers up until now?

This was implemented (completely differently to anything discussed in this issue) in #642.

Because Svelte is a compiler, we're not bound to the peculiarities of JavaScript: we can design a component authoring experience, rather than having to fit it around the semantics of the language.

In a nutshell, the King's Keys deck started as an experiment to see what card games would be like if you rebuilt playing cards from the ground up. Instead of using ranks and suits, each card has a number (from one to four), one of four items, and one of four colors. The result is what I call a 4x4x4 deck where 64 playing cards each have a unique combination of these three parts.