Apropos

lambda-list-keywordsConstant Variable

    Constant Value

    a list, the elements of which are implementation-dependent, but which must contain at least the symbols &allow-other-keys, &aux, &body, &environment, &key, &optional, &rest, and &whole.

    Description

    A list of all the lambda list keywords used in the implementation, including the additional ones used only by macro definition forms.

    See Also

    defun, flet, defmacro, macrolet, Section 3.1.2 (The Evaluation Model)