MLISP is a meta-notation for LISP.  It is described in AI memo AIM-135
	(CS-179) and is maintained by Dave Smith.
To translate and execute an MLISP program, type
	.R MLISP
	*(MLISP  <filename>)
To translate an MLISP program and print out the LISP translation, type
	.R MLISPC
	*(MLISP  <filename>  NIL)
To translate and compile an MLISP program, type
	.R MLISPC
	*(MLISP  <filename>  T)
To enter MLISP's MREAD-EVAL-PRINT loop, vs. the standard READ-EVAL-PRINT,
	type (MEVAL).  Exit from the loop by typing π (PI).