learnmath/lysa — pull request #52 by pharpend (2014-12-24 16:58:15+00:00)
Title: Fix incorrect explanations of the FDL

Throughout the book, I tried to explain the CC-SA license, and my explanation was mostly correct. However, the FDL has substantially more caveats, so my explanation was wrong. I removed my explanations, and said "read the license" instead.