Invoking the command W3-fetch interactively, I enter a URL when prompted. But w3 always crashes with a backtrace like this: Debugger entered--Lisp error: (void-variable w3--args) w3-display-node((*document nil ((html ((xmlns . "http://www.w3.org/1999/xhtml")) ((head nil ((title nil ("Alabama New License Application Info | DMV.org")) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (meta (... ...) nil) (link (... ... ...) nil) (link (... ... ... ... ...) nil) (link (... ... ... ... ...) nil))) (body nil ((bodytext nil (... ... ... ... ... ...))))))))) w3-draw-tree(((*document nil ((html ((xmlns . "http://www.w3.org/1999/xhtml")) ((head nil ((title nil ...) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (meta ... nil) (link ... nil) (link ... nil) (link ... nil))) (body nil ((bodytext nil ...))))))))) w3-prepare-buffer() w3-fetch-callback("http://www.dmv.org/al-alabama/apply-license.php") * w3-fetch-redirect-callback(nil "http://www.dmv.org/al-alabama/apply-license.php") apply(w3-fetch-redirect-callback (nil "http://www.dmv.org/al-alabama/apply-license.php")) url-http-activate-callback() url-http-chunked-encoding-after-change-function(55126 55599 473) url-http-generic-filter(# "\" src=\"http://onlineguru.112.2o7.net/b/ss/dmvorg/1/H.24.1--NS/0\"/>\n\"\"\n\"\"\n\"\"\n\n\n\n\n\n00000000\n\n") read-event(nil t 2) sit-for(2) execute-extended-command(nil "w3-fetch" "w3-fetch") funcall-interactively(execute-extended-command nil "w3-fetch" "w3-fetch") call-interactively(execute-extended-command nil nil) command-execute(execute-extended-command) In GNU Emacs 25.1.1 (x86_64-w64-mingw32) of 2016-09-17 built on LAPHROAIG Windowing system distributor 'Microsoft Corp.', version 10.0.14393 Configured using: 'configure --without-dbus --without-compress-install CFLAGS=-static' Configured features: XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS Important settings: value of $LANG: ENU locale-coding-system: cp1252 Major mode: Debugger Minor modes in effect: shell-dirtrack-mode: t tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t line-number-mode: t transient-mark-mode: t Recent messages: Parsed 93% of 54794... Parsed 96% of 54794... Parsed 99% of 54794... Parsed 100% of 54794...done Drawing... / Entering debugger... Quit Type "q" in help window to delete it debugger-frame-number: This line is not a function call funcall-interactively: End of buffer [4 times] Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug sendmail debug network-stream nsm starttls url-http tls gnutls w3-hot mm-archive message dired rfc822 mml mml-sec epg mailabbrev gmm-utils mailheader mail-utils mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums url-cache w3-toolbar w3-emacs w3-props thingatpt url-auth w3 w3-menu url-tramp tramp tramp-compat tramp-loaddefs trampver ucs-normalize shell pcomplete format-spec url-queue browse-url url-nfs url-file url-dired url-irc url-gw cus-edit cus-start cus-load w3-emulate w3-parse w3-fast-parse xml w3-display w3-mouse w3-imap url-handlers url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf w3-widget url-util mailcap w3-vars w3-keymap wid-edit w3-cus url-parse auth-source cl-seq eieio eieio-core cl-macs gnus-util mm-util help-fns mail-prsvr password-cache url-vars css font devices cl w3-compat pseudocode-mode derived advice compile which-func imenu align find-file skeleton sgml-mode finder-inf package epg-config seq byte-opt gv bytecomp byte-compile cl-extra help-mode cconv cl-loaddefs pcase cl-lib setup-cygwin cygwin-mount ange-ftp comint ansi-color ring easymenu printing ps-print ps-def lpr time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp disp-table w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote w32notify w32 multi-tty make-network-process emacs) Memory information: ((conses 16 330537 20056) (symbols 56 30026 2) (miscs 48 213 187) (strings 32 56292 9242) (string-bytes 1 1575569) (vectors 16 44363) (vector-slots 8 779923 12848) (floats 8 589 206) (intervals 56 621 1) (buffers 976 31))