The primary purpose of this data format choince is to serve as a superset to JSON notation with the enhancements being that it (1) allows for comments and (2) treats commas as whitespace enabling easier templating.
The subset of EDN allowed is constrained to:
nullwhich is not allowed. Instead consider (1) using an empty string (
"") as the value, (2) using the number
0as the value, (3) or omitting a key-value pair.