I know the articles calls it a rule, but really it's more a guideline. It's so that `git log --oneline` and `git shortlog` produce succinct output. It's also th

I know the articles calls it a rule, but really it's more a guideline. It's so that `git log --oneline` and `git shortlog` produce succinct output. It's also the email subject when using `git format-patch`. With all of these, the idea is to have a quick-to-read summary of the commit. That's all, really.