Frame Data for Manuals and Linkers?

I’m certain that linkers have drastically different frame data than if the special was used as an opener, otherwise manuals wouldn’t be possible

But maybe it’s the manuals that have different frames too? I’ve gotten a cr.HK manual with Sabrewulf off of Hamstring opener when the frame data says that it shouldn’t be possible, same goes for a cr.MP manual off of a Ragged Edge opener

Or maybe it’s both manuals and linkers that have different frames than when used outside of a combo?

Or maybe Prima/in-game frame data is just wrong?

I don’t know, but what I do know is that we don’t have complete frame data, and we need it