Some time ago I've worked on a similar, CSV-like thing that improves on readability and canonical representation, and which can hold multiple tables in a single

Some time ago I've worked on a similar, CSV-like thing that improves on readability and canonical representation, and which can hold multiple tables in a single file or stream like a database: http://jstimpfle.de/projects/wsl/main.html http://jstimpfle.de/projects/wsl/main.html . (I hope it's not rude to reference it here)