[rkagerer]

Is the first example under The genius idea heading missing entry #3 below?

  mary:
     docs:
       - 0:
           posns: [0, 8]
       - 1:
           posns: [2]
       - 3:
           posns: [1]

[rstuart4133]

I thought it's missing. However, he does introduce it with:

> The inverted index will look something like this:

He isn't wrong. It is indeed "something like".