On a project such as this I doubt the inspector had a complete set of plans, in most cases the contractor comes in with a rough sketch and frames the project as they go along - so a permit would not be denied. If we required the contractor to submit a complete set of plans for every small project they'd go under. In most cases we issue the permit and inspect along the way, if we happen to catch the contractor before they have done something wrong everybody wins, but if they have to make a correction (which may be the case with these rafters) then so be it, it's their responsibility to know the code. You should also notice on my previous reply that I stated "taking action..within the scope of the code", which means I do not require a contractor to exceed the code requirements, I only recommend changes based on problems I have seen; most contractors appreciate this, no one wants to go back to fix a leaky roof.