This was prefilled. And what's more: “you have an extra space in your answer.” (2017-09-20)
Still is for me over a month later (10-24) I do find it funny that their own answer has "an extra space" though
same here (2017-10-18)
same here (171031)
it wasn't prefilled but the extra space dialogue is still there (171105)
This question is still broken. It's 2017 November 5
Still broken: 6th November.
Still broken 18th November
7th november stilll!
still broken 23rd november
Still pre filled (2017-11-22)
still broken 6th december