I still use Troff as my daily typesetting tool. But I don't use Groff which doesn't handle utf-8 and is rather bad for accurate formatting. I use the less known

I still use Troff as my daily typesetting tool. But I don't use Groff which doesn't handle utf-8 and is rather bad for accurate formatting. I use the less known Heirloom Troff, which is very good.