Implementor's Guide

> After a glance at the wiki, I think all these things belong in 
> the  Implementor's Guide, which I guess is just an informative 
> spec.  Should we just start writing it, and move all discussion on 
> there? Or wait till consensus before we create it?

Please.  Let's start writing it on the wiki.

Cordially, =Joaquin


p.s.
Just go at it.

I'll make sure it is clear for new readers and editors of the wiki 
that the Implementor's Guide is a work in progress and that there may 
not be consensus on all items.