special-operator-p symbol => generalized-boolean
Arguments and Values:
generalized-boolean---a generalized boolean.
Returns true if symbol is a special operator; otherwise, returns false.
(special-operator-p 'if) => true (special-operator-p 'car) => false (special-operator-p 'one) => false
Side Effects: None.
Affected By: None.
Should signal type-error if its argument is not a symbol.
See Also: None.
Historically, this function was called special-form-p. The name was finally declared a misnomer and changed, since it returned true for special operators, not special forms.