Nightjar wrote
The Natural Philosopher wrote

HOWEVER unelss the EU break their own rules, which
is as comnmon as **** when all is siad and done we
couldnt re-enter and we have committed to leaving...

Article 50 is silent on whether or not the notification
can simply be cancelled before the two years are up.

Yes.

So, should we decide to,

Taint gunna happen, you watch.

it might have to go before the ECJ for a ruling,

Nope.

or the EU Commission might simply accept it.

Corse they would.