Don’t Mess with the Master: Working with Branches in Git and GitHub – The New Stack https://thenewstack.io/dont-mess-with-the-master-working-with-branches-in-git-and-github/
What does “@@ -1 +1 @@” mean in Git’s diff output? – Stack Overflow https://stackoverflow.com/questions/10950412/what-does-1-1-mean-in-gits-diff-output