Defun inside Let

[Daniel L. Weinreb <DLW@SCRC-QUABBIN.ARPA>]

    Date: Thu, 30 Jan 1986  14:29 EST
    From: "Scott E. Fahlman" <Fahlman@C.CS.CMU.EDU>

    There can be no question at all on the point Jeff Dalton raises: when a
    Defun occurs inside a Let or anywhere else, it changes the GLOBAL
    function definition for the symbol in question.  It is not a form of
    LABELS.

Agreed.  This is completely clear from the manual.  If DEFUN inside LET
is valid Common Lisp (I think it is, modulo the general smokescreen of
the page 66 paragraph), then it changes the global definition.