Originally Posted by
Dr. HFH
I think that you should start with the official OneWorld Explorer rules as published by OneWorld, rather than EF's interpretation of what it thinks that they are. You can find the official OneWorld Explorer rules
here.
I believe expert flyer links to the actual full GDS rules (which is what travel agents use), rather than its own interpretation. But you're right, everything should all be summarised well in your linked rules.