Better exceptions, investigation on failure to read/print wide chars.

src/init.c

@@ -111,6 +111,7 @@ int main( int argc, char *argv[] ) {
      */
     bind_special( "cond", &lisp_cond );
     bind_special( "lambda", &lisp_lambda );
+    /* bind_special( "λ", &lisp_lambda ); */
     bind_special( "nlambda", &lisp_nlambda );
     bind_special( "progn", &lisp_progn );
     bind_special( "quote", &lisp_quote );