Call it "Git User Manual" and remove reference to very old Git version
Use current "detached HEAD" message
Use current output for "git repack"
Use "git merge" instead of "git pull ."
Fix typos and improve wording
Improve description in "How to merge"
Simplify "How to make a commit"
Remove unnecessary historical note
Remove obscure reference from "Examples"
Remove irrelevant reference
"git prune" is safe nowadays; isn't it?
Improve clarifications and consistency in "Manipulating branches"
Remove unnecessary quoting in "Merge multiple trees"