Code Formatting in Emacs (opens in new tab)

I got inspired to look into this topic after receiving the following obscure bug report for neocaml: I had your package installed. First impressions were good, but then I had to uninstall it. The code formatting on save stopped working for some reason, and the quickest solution was to revert to the previous setup. I found this somewhat entertaining – neocaml is a major mode, it has nothing to do with code formatting. But I still started to wonder what kind of setup that user might have. So he...