Not a solution to your issue but as my main use of arrows is in documentation I've just mapped ↓ ↑ → ← to a covenient place on my keyboard. It's pretty at least

Not a solution to your issue but as my main use of arrows is in documentation I've just mapped ↓ ↑ → ← to a covenient place on my keyboard. It's pretty at least It allows comments to indicate the thing they're talking about ↑ Or logical → implications