Yup, looks like a typo in class.c --- Tried to fix it but make_class doesn't seem to operate correctly on this system... > head utils/make_class #! \ -e main -s !# ;; Reads a C source file on stdin. Comments of the form ;; ;; /* ;; CLASS: ;; expression # make make_class <center.c >center.c.x sh: make_class: not found make_class is definitely in my path... Clues? Rob