[ANN] Play Tic Tac Toe through gemini

[Côme Chilliet]

Le mardi 1 décembre 2020, 15:03:33 CET John Cowan a écrit :
> Just a suggestion: put numbers in the boxes that are still empty.  That way
> you just have to choose a number rather than figure it out from the
> horizontal displays in the link.  It provides a much smoother user
> experience.

Good idea, this is now done.
I use subscript numbers because fullwidth ones where too big compared to filled squares.

I also added highlight of winning row (which was quite complicated using unicode lines), and fixed a few bugs.