compare p3 of https://lamport.azurewebsites.net/pubs/lamport-howtowrite.pd...

What is a delimiter in programming, and how is it used in parsing data?

I would like the app to be more interactive

    the Haskell community largely supports leading commas,
    demonstrating its practical value

Ah yes, the pillars of "only do things that are useful" in the Haskell community /s