We have (finally) posted model …

We have (finally) posted model solutions for the second and third exercise; see the detailed course schedule. Please compare our solutions (and comments on the code) with your own, and feel free to ask for clarification or to point out to us where we could further improve these examples.

Also, note that the first bug in our fourth assignmnent has been found: one of the skeleton functions that we provide in chart.lsp should have three arguments: (defun chart-adjoin (from to object) ???)