/*
 *----------------------------------------------------------------------
 *
 * DupLambdaInternalRep, FreeLambdaInternalRep, SetLambdaFromAny --
 *
 *	How to manage the internal representations of lambda term objects.
 *	Syntactically they look like a two- or three-element list, where the
 *	first element is the formal arguments, the second is the the body, and
 *	first element is the formal arguments, the second is the body, and
 *	the (optional) third is the namespace to execute the lambda term
 *	within (the global namespace is assumed if it is absent).
 *
 *----------------------------------------------------------------------
 */

static void