+ - `make check' should say how to get more information
+
+ - `make recheck', `make clean-check'
+
+* Need to put time limits on tests.
+
+* Add a way for students to prints messages ignored by the autograder.
+
+ - Ignore text between /* and */.
+
+ - Allow for a comment on `exit' lines?
+
+ . Get rid of LOAD_ERROR() macro by calling thread_exit() directly.
+
+* Improve automatic interpretation of exception messages.