Comment 8 for bug 600808

Yes, bitmap fonts look terrible (especially when scaled), which is why the world has moved on to antialiased fonts. You can try changing the default font in Edit → Options after opening a repository, or you can enable antialiasing by switching to Tk 8.5 with the commands I gave you in comment 2.

I’m afraid there is nothing else that can be done about this until Tk 8.5 becomes the default version of Tk, so I’m closing this report. Don’t hesitate to report any other bugs you find.