In [emacs-w3m:12835] On Thu, 07 Dec 2017 02:32:07 -0500, Boruch Baum wrote: > Better: > (defun w3m-session-delete (sessions num) > (if (consp num) > (let* ((item (nth 2 (nth (car num) sessions))) > (tmp (delete (nth (cdr num) item) item))) What I did is just the same as yours. :) I replaced `delete' with `delq' thereafter.