Call for comments on new document format

I have published a (rushed, but I can never get my mind still enough to do this properly…) very early proposal for a new document format. Your comments would be very much appreciated indeed:

“Liquid | Space (thoughts for spec)” Posted

I have posted a blog post on an idea for a concept map application, on my regular blog. Please have a look and comment:

This is quite a small scope project. How can we make these basics bigger? What other approaches should we look at? Please tell me all your thoughts. :-)