Broken link in 'Git Commands' appendix #176
Description
Git-Commands-Basic-Snapshotting#git-difftool: broken link to '_git_difftool'
Should be a link to:
- Customizing-Git-Git-Configuration#External-Merge-and-Diff-Tools
- or 'Git Diff in an External Tool' note in Git-Basics-Recording-Changes-to-the-Repository#Viewing-Your-Staged-and-Unstaged-Changes