I use "cat --show-all" at least partly because it's more teachable (since when I run into this I'm usually helping untangle someone who hasn't run into the prob

I use "cat --show-all" at least partly because it's more teachable (since when I run into this I'm usually helping untangle someone who hasn't run into the problem before, and it's more explicitly about the problem instead of being a related thing that happens to expose it (like this, or hexdump)