IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
better-w-sends-wf12 1. the_w : World
2. l : IdLnk
3. e : E
4. v : {m:Msg(the_w.M)| source(mlnk(m)) = loc(e) } List
5. m(loc(e);time(e)) = v 6. v Msg(the_w.M) List
filter(ms.mlnk(ms) = l;v) {m:Msg(the_w.M)| mlnk(m) = l } List