With the “wonderful” tooling at work, we use Skype for Business. Naturally, that is not the primary place to send around code and configs, but a 1-liner or 2-liner happens.
You can’t believe the nonsense it does when you try to copy & paste it. Spaces get turned into non-breaking spaces etc. Looks completely normal when pasted directly into vim on a console, but will give “odd” error messages.
At this point, even Microsoft wants them to stop using it, but they are stubborn and try to keep it running until they turn off the lights the hard way.