Mon Feb 27 10:55:20 EST 2006

lists, stacks & queues II

This won't be easy  because 
- 'here' really needs an address. the whole compilation architecture
  needs to be rewritten if here is to disappear
- i tried to break the circularity of the sentinel by using only the
  circularity of XT using an explicit list containing meta data and an
  xt. this is hard to do because it requires a distinction between
  link and meta.

so, for now i just leave it like it is. it's messy, but at least it