Commits
Mark Evans committed a43db29d59c
_ The 09_GroupsAndLinks chapter and the UG_nav09GroupsAndLinks file contain the work I did in early 2011. I wasn't able to finish the work and probably won't be able to work on it soon. The 09_Groups chapter and the UG_nav09Groups file from this version forward will be the same as the 1.8 version.