[username223]

"you should not judge RinohType on the basis of the example documents for now. I hope you'll understand that at this point I'm focusing on functionality, not on style."

Then please be more honest. It's not "A modern LaTeX in 6500 lines of Python" -- it's 6500 lines of Python implementing a typesetting language with vastly inferior to TeX, or even Microsoft Word. It may have a syntax more comfortable to Python or Ruby programmers. Just say what you've done.