You are a Common Lisp macro expert. Given this code pattern:
(with-gensyms (num items position not-preceded-by string item new-mode until advancing) `(labels ((advance (,num) (setf ,position-place (+ ,position-place ,num)) t) (peek-any (,items &key ,not-preceded-by) (incf *scan-calls*) (let* ((,items (if (stringp ,items) (coerce ,items 'list) ,items)) (,not-preceded-by (if (characterp ,not-preceded-by) (string ,not-preceded-by) ,not-preceded-by)) (,position ,position-place) (,string ,string-param)) (let ((,item (and (< ,position (length ,string)) (find ,string ,items :test #'(lambda (,string ,item) #+nil (format t "looking for ~S in ~S starting at ~S~%" ,item ,string ,position) (if (characterp ,item) (char= (elt ,string ,position) ,item) (search ,item ,string :start2 ,position :end2 (min (length ,string) (+ ,position (length ,item)))))))))) (if (characterp ,item) (setf ,item (string ,item))) (if (if ,item (if ,not-preceded-by (if (>= (- ,position (length ,not-preceded-by)) 0) (not (string= (subseq ,string (- ,position (length ,not-preceded-by)) ,position) ,not-preceded-by)) t) t) nil) ,item (progn (and *reset-position* (setf ,position-place *reset-position*)) nil))))) (scan-any (,items &key ,not-preceded-by) (let ((,item (peek-any ,items :not-preceded-by ,not-preceded-by))) (and ,item (advance (length ,item))))) (peek (,item &key ,not-preceded-by) (peek-any (list ,item) :not-preceded-by ,not-preceded-by)) (scan (,item &key ,not-preceded-by) (scan-any (list ,item) :not-preceded-by ,not-preceded-by))) (macrolet ((set-mode (,new-mode &key ,until (,advancing t)) (list 'progn (list 'setf ',mode-place ,new-mode) (list 'setf ',mode-wait-place (list 'lambda (list ',position) (list 'let (list (list '*reset-position* ',position)) (list 'values ,until ,advancing))))))) ,@body)))

Write a macro that addresses: Macro call that should be transformed by with-gensyms

Macro definition:
(defmacro with-gensyms ((&rest names) &body body)
  `(let ,(mapcar #'(lambda (name)
                     (list name `(make-symbol ,(symbol-name name)))) names)
    ,@body))

Macroexpansion:
(let ((num (gensym #A((3) base-char . "NUM"))) (items (gensym #A((5) base-char . "ITEMS"))) (position (gensym #A((8) base-char . "POSITION"))) (not-preceded-by (gensym #A((15) base-char . "NOT-PRECEDED-BY"))) (string (gensym #A((6) base-char . "STRING"))) (item (gensym #A((4) base-char . "ITEM"))) (new-mode (gensym #A((8) base-char . "NEW-MODE"))) (until (gensym #A((5) base-char . "UNTIL"))) (advancing (gensym #A((9) base-char . "ADVANCING")))) (sb-int:quasiquote (labels ((advance (#S(sb-impl::comma :expr num :kind 0)) (setf #S(sb-impl::comma :expr position-place :kind 0) (+ #S(sb-impl::comma :expr position-place :kind 0) #S(sb-impl::comma :expr num :kind 0))) t) (peek-any (#S(sb-impl::comma :expr items :kind 0) &key #S(sb-impl::comma :expr not-preceded-by :kind 0)) (incf *scan-calls*) (let* ((#S(sb-impl::comma :expr items :kind 0) (if (stringp #S(sb-impl::comma :expr items :kind 0)) (coerce #S(sb-impl::comma :expr items :kind 0) (quote list)) #S(sb-impl::comma :expr items :kind 0))) (#S(sb-impl::comma :expr not-preceded-by :kind 0) (if (characterp #S(sb-impl::comma :expr not-preceded-by :kind 0)) (string #S(sb-impl::comma :expr not-preceded-by :kind 0)) #S(sb-impl::comma :expr not-preceded-by :kind 0))) (#S(sb-impl::comma :expr position :kind 0) #S(sb-impl::comma :expr position-place :kind 0)) (#S(sb-impl::comma :expr string :kind 0) #S(sb-impl::comma :expr string-param :kind 0))) (let ((#S(sb-impl::comma :expr item :kind 0) (and (< #S(sb-impl::comma :expr position :kind 0) (length #S(sb-impl::comma :expr string :kind 0))) (find #S(sb-impl::comma :expr string :kind 0) #S(sb-impl::comma :expr items :kind 0) :test (function (lambda (#S(sb-impl::comma :expr string :kind 0) #S(sb-impl::comma :expr item :kind 0)) (if (characterp #S(sb-impl::comma :expr item :kind 0)) (char= (elt #S(sb-impl::comma :expr string :kind 0) #S(sb-impl::comma :expr position :kind 0)) #S(sb-impl::comma :expr item :kind 0)) (search #S(sb-impl::comma :expr item :kind 0) #S(sb-impl::comma :expr string :kind 0) :start2 #S(sb-impl::comma :expr position :kind 0) :end2 (min (length #S(sb-impl::comma :expr string :kind 0)) (+ #S(sb-impl::comma :expr position :kind 0) (length #S(sb-impl::comma :expr item :kind 0)))))))))))) (if (characterp #S(sb-impl::comma :expr item :kind 0)) (setf #S(sb-impl::comma :expr item :kind 0) (string #S(sb-impl::comma :expr item :kind 0)))) (if (if #S(sb-impl::comma :expr item :kind 0) (if #S(sb-impl::comma :expr not-preceded-by :kind 0) (if (>= (- #S(sb-impl::comma :expr position :kind 0) (length #S(sb-impl::comma :expr not-preceded-by :kind 0))) 0) (not (string= (subseq #S(sb-impl::comma :expr string :kind 0) (- #S(sb-impl::comma :expr position :kind 0) (length #S(sb-impl::comma :expr not-preceded-by :kind 0))) #S(sb-impl::comma :expr position :kind 0)) #S(sb-impl::comma :expr not-preceded-by :kind 0))) t) t) nil) #S(sb-impl::comma :expr item :kind 0) (progn (and *reset-position* (setf #S(sb-impl::comma :expr position-place :kind 0) *reset-position*)) nil))))) (scan-any (#S(sb-impl::comma :expr items :kind 0) &key #S(sb-impl::comma :expr not-preceded-by :kind 0)) (let ((#S(sb-impl::comma :expr item :kind 0) (peek-any #S(sb-impl::comma :expr items :kind 0) :not-preceded-by #S(sb-impl::comma :expr not-preceded-by :kind 0)))) (and #S(sb-impl::comma :expr item :kind 0) (advance (length #S(sb-impl::comma :expr item :kind 0)))))) (peek (#S(sb-impl::comma :expr item :kind 0) &key #S(sb-impl::comma :expr not-preceded-by :kind 0)) (peek-any (list #S(sb-impl::comma :expr item :kind 0)) :not-preceded-by #S(sb-impl::comma :expr not-preceded-by :kind 0))) (scan (#S(sb-impl::comma :expr item :kind 0) &key #S(sb-impl::comma :expr not-preceded-by :kind 0)) (scan-any (list #S(sb-impl::comma :expr item :kind 0)) :not-preceded-by #S(sb-impl::comma :expr not-preceded-by :kind 0)))) (macrolet ((set-mode (#S(sb-impl::comma :expr new-mode :kind 0) &key #S(sb-impl::comma :expr until :kind 0) (#S(sb-impl::comma :expr advancing :kind 0) t)) (list (quote progn) (list (quote setf) (quote #S(sb-impl::comma :expr mode-place :kind 0)) #S(sb-impl::comma :expr new-mode :kind 0)) (list (quote setf) (quote #S(sb-impl::comma :expr mode-wait-place :kind 0)) (list (quote lambda) (list (quote #S(sb-impl::comma :expr position :kind 0))) (list (quote let) (list (list (quote *reset-position*) (quote #S(sb-impl::comma :expr position :kind 0)))) (list (quote values) #S(sb-impl::comma :expr until :kind 0) #S(sb-impl::comma :expr advancing :kind 0)))))))) #S(sb-impl::comma :expr body :kind 2)))))