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Minor usage edit
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@ -795,9 +795,9 @@ Note that `a` is a wing, not just any expression. Knowing that a function call
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`baz`, and then resolving to the `$` limb, you might think `(foo baz)` would
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mean `%=(foo +6 baz)`.
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But it's actually `=+(foo =>(%=(+2 +6 baz) $))`. Even if `foo` is a wing, we
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But it's actually `=+(foo =>(%=(+2 +6 baz:+3) $))`. Even if `foo` is a wing, we
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would just be mutating `+6` within the core that defines the `foo` arm. Instead
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we want to modify the **product** of `foo` -- the gate -- so we have to pin it
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we want to modify the **product** of `foo`—the gate—so we have to pin it
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into the subject.
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Here's that again in tall form:
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