> For the sake of collaboration, we agree on structure and semantics, and agree to disagree on syntax. `FooError on line 111` suddenly becomes a lot less meani

> For the sake of collaboration, we agree on structure and semantics, and agree to disagree on syntax. `FooError on line 111` suddenly becomes a lot less meaningful... I suppose that's what the canonical representation is for, but having to map between the two seems like it would be at least somewhat annoying.