Ayes 306, Noes 325.
DUP sources point out that had it voted with Labour, the opposition would have won by one vote. Nigel Dodds makes the point just a little more tactfully above.
In a point of order following the result, Theresa May changed tack by asking Jeremy Corbyn, and other opposition leaders, to join the talks she announced yesterday evening.
In response, Corbyn also seemed to change tack. Labour MPs complained during the debate that he hadn’t been invited to the talks. But Corbyn appeared to suggest that the Prime Minister ruling out a No Deal Brexit was a pre-condition for him joining them.