Actually if you look at the post it says, "Updated: Nov 11, 13:14", so was updated just this month.
We have a script library of many different examples here,
I would recommend using our "response list" format.
There is a good example here,
For the response CSV format, you basically have,
Normally it is best to put each question in its own row, but it is possible to put multiple questions in a single cell separating by ?