/u/killer/robber2.lpc:5: error: Cannot #include mgb2.h
/u/killer/robber2.lpc:106:43: error: Illegal lvalue
  106 |                 if (ob && environment(ob) = environment(this_object()))
      |                                           ^
/u/killer/robber2.lpc:5: error: Cannot #include mgb2.h
/u/killer/robber2.lpc:106:43: error: Illegal lvalue
  106 |                 if (ob && environment(ob) = environment(this_object()))
      |                                           ^
