[w1ntermute]

Actually, Caps Lock doesn't affect non-letter keys, so you don't need to hold Shift when typing the dashes.

[chrismorgan]

Quite the opposite—because it doesn’t affect non‐letter keys, you need to hold Shift when typing the dashes, because they need to become underscores.

[ScottBurson]

This is why I cross-remap _ and = .