[plt-scheme] Re: macro question

Earlier I wrote:
> Much of this discussion is above my head. Yet a few short, may be silly,
> remarks.
snip
> My personal opinion is that types do not significantly improve readability
> of programs. A good similarity between data structure and the structure of
> the procedures acting on these data is far more important, I think (this I
> did experience, but not invent by myself, of course)
snip

Thanks to all who reponded on my >silly< remarks.
You all did indead clear up things for me and I'll have to reconsider, my 
opion.
Thanks
Jos