Debugger entered--Lisp error: (wrong-type-argument listp "") car("") (setq x (car --cl-dolist-temp--)) (while --cl-dolist-temp-- (setq x (car --cl-dolist-temp--)) (apply (function widget-create) (sepi +a-tree-node ... x)) (setq --cl-dolist-temp-- (cdr --cl-dolist-temp--))) (let ((--cl-dolist-temp-- defs) x) (while --cl-dolist-temp-- (setq x ...) (apply ... ...) (setq - +-cl-dolist-temp-- ...)) nil) (catch (quote --cl-block-nil--) (let (... x) (while --cl-dolist-temp-- ... ... ...) nil)) (cl-block-wrapper (catch (quote --cl-block-nil--) (let ... ... nil))) (save-current-buffer (set-buffer bufname) (cl-block-wrapper (catch ... ...)) (use-local-map (copy +-keymap widget-keymap)) (sepia-install-keys) (let (...) (toggle-read-only 1)) (goto-char (point-mi +n)) (message "Type C-h m for usage information")) (progn (sepia-tree-tidy-buffer bufname) (save-current-buffer (set-buffer bufname) (cl-block-wrapp +er ...) (use-local-map ...) (sepia-install-keys) (let ... ...) (goto-char ...) (message "Type C-h +m for usage information"))) (let ((--cl-func-- ...)) (setf (symbol-value --cl-func--) func) (progn (sepia-tree-tidy-buffer bu +fname) (save-current-buffer ... ... ... ... ... ... ...))) (lexical-let ((func func)) (sepia-tree-tidy-buffer bufname) (with-current-buffer bufname (dolist +... ...) (use-local-map ...) (sepia-install-keys) (let ... ...) (goto-char ...) (message "Type C-h + m for usage information"))) (if defs (lexical-let (...) (sepia-tree-tidy-buffer bufname) (with-current-buffer bufname ... ... + ... ... ... ...)) (message "No items for %s" bufname)) sepia-build-tree-buffer(xref-callees "" "*Sepia callees*") (let* ((defs ...)) (sepia-build-tree-buffer (function xref-callees) defs (format "*%s callees*" n +ame))) sepia-callee-tree("Sepia") call-interactively(sepia-callee-tree) execute-extended-command(nil) call-interactively(execute-extended-command)