"I typed in an incorrect entry for 13&15A, selected "Check this", and my incorrect entry was still displayed, even after selecting "Check this" a second time. I only got the correct response after moving the cursor to another box and then back to 13A and selecting "Check this" yet again"
When clicking the 'check this' button on a clue with two numbers, it will only check the currently highlighted number - it should check all related.
Eg, clicking 'check this' at this point will only check 13 across:
http://www.theguardian.com/crosswords/quick/14149
"I typed in an incorrect entry for 13&15A, selected "Check this", and my incorrect entry was still displayed, even after selecting "Check this" a second time. I only got the correct response after moving the cursor to another box and then back to 13A and selecting "Check this" yet again"