[cutie]

Yes, there's an error there, conflating two ideas. I think tabs-only can still cause a problem, say when lining up comments on the end of a line because there might be a different amount needed per line depending on its length. Still, you can't be sure what other people will have, so for interop spaces it is.

It might not be the case for everyone, but my laptop screen is 1920x1080 and has more room for text than I can use. In a three way merge your strategy could help me perhaps.