As part of a project to use the OGL Year Zero rules, I created a "clean" HTML copy of the rules, with some minor fixes and edits. The results are here:
Year Zero Engine OGL
I also put a "making of" post (of sorts) on my blog at the same site. It details the small changes I made to the text for (what I thought of as) clarity and readability.
I hope this is useful to someone else.