Regarding the "whitespace thing" I think they're doing themselves a disservice by not starting with predefined rules allowing them to use whitespace delimited words and deferring showing how you can bootstrap to that point until later.
In general, show more of what is possible in a more accessible way first, before presenting "line noise".
Overall that document would be helped by some editing to bring out more of what a reader who haven't spent months thinking about this will find interesting first.
In general, show more of what is possible in a more accessible way first, before presenting "line noise".
Overall that document would be helped by some editing to bring out more of what a reader who haven't spent months thinking about this will find interesting first.