Ulrik, Thanks for all the helpful info and links!
I've written to Messrs. Rosen and Lessig asking for clarification on their apparent difference of opinion. And it looks like we're not the only ones asking the question. Here's a similar thread on the docutils list from 6 weeks ago:
http://article.gmane.org/gmane.text.docutils.devel/2804Anyway, thanks again for the input. I will report back if I hear anything from the lawyers.
chad