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Ap Iorwerth accused Morgan of wavering from her belief the Welsh government would benefit from membership of the single market and the custom union.

If the UK was to re-join the customs union or single market, there would be knock-on effects for other trade agreements, like the Trans-Pacific Partnership - but this relatively limited agreement does not go nearly that far.

There will be no return to the European Union's customs union or single market or freedom of movement.

This "reset" may not change the big fundamentals of Brexit - the UK remains out of the single market and customs union- but it does commit London and Brussels to doing a lot more talking as they try to fill the many gaps that lie within this long list of ambitions.

Fully compensating for that, analysts reckon, would involve the UK rejoining the single market and customs union and allowing freedom of movement - all of which the government reiterated today are "red lines" it's not prepared to cross.