-;;; Handle the environment semantics of LET conversion. We add CLAMBDA
-;;; and its LETs to LETs for the CALL's home function. We merge the
-;;; calls for CLAMBDA with the calls for the home function, removing
-;;; CLAMBDA in the process. We also merge the ENTRIES.
+;;; Handle the PHYSENV semantics of LET conversion. We add CLAMBDA and
+;;; its LETs to LETs for the CALL's home function. We merge the calls
+;;; for CLAMBDA with the calls for the home function, removing CLAMBDA
+;;; in the process. We also merge the ENTRIES.