Check if no preprocessing lexeme in a list is a token.
(plexeme-list-not-tokenp x) → std::bool
This is an ordinary std::deflist. It is
"loose" in that it does not care whether
Function:
(defun plexeme-list-not-tokenp (x) (declare (xargs :guard (plexeme-listp x))) (if (consp x) (and (not (plexeme-tokenp (car x))) (plexeme-list-not-tokenp (cdr x))) t))