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Allegro CL |
ANSI Common Lisp  5 Data and Control Flow 5.1 Generalized Reference 5.1.2 Kinds of Places
5.1.2.7 Macro Forms as PlacesA macro form can be used as a place, in which case Common Lisp expands the macro form as if by macroexpand-1 and then uses the macro expansion in place of the original place. Such macro expansion is attempted only after exhausting all other possibilities other than expanding into a call to a function named (setf reader).
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