IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
w-match-unique11112 1. the_w : World
2. e : E
3. t : 4. t' : 5. FairFifo
6. isrcv(kind(e))
7. t<t' 8. f : (Msg List)
9. (t1.onlnk(lnk(kind(e));m(source(lnk(kind(e)));t1))) = f ||concat(map(f;upto(t)))||+||f(t)||||concat(map(f;upto(t')))||