O yes it is. Oh no they're not. Oh yes it is. Oh no they're not, says 'Englicious'.

Hysterical: someone has told me that they've spent £3.50 to find out what the answer to my son's homework is. It's 'until'. So it's now turned into a perfect example of why we can't let these people loose on our language(s). The Prof at UCL has given his verdict that it was both 'when' and 'until' and the test-setters were wrong. The test-setters say that it's only 'until'. 

What are we supposed to do with all this? 

It's just rubbish being peddled as 'truth'.