Signaling: (wrong-type-argument integerp nil)
  w3-configuration-data(datadir)
  w3-find-default-stylesheets()
  w3-refresh-stylesheets()
  w3-do-setup()
  mm-setup-w3()
  mm-inline-text((#<buffer " *mm*"> ("text/html") quoted-printable nil nil nil nil nil))
  mm-display-inline((#<buffer " *mm*"> ("text/html") quoted-printable nil nil nil nil nil))
  mm-display-part((#<buffer " *mm*"> ("text/html") quoted-printable nil nil nil nil nil))
  byte-code("..." [ihandles id begend preferred ibegend handle 2 mm-remove-parts point-marker gnus-unbuttonized-mime-type-p "multipart/alternative" gnus-add-text-properties format "%d.  " gnus-callback lambda (handles) unless setq gnus-article-mime-handle-alist quote gnus-mime-display-alternative local-map face keymap gnus-part gnus-data widget-convert-button link :action gnus-widget-press-button :button-keymap "(%c) %-18s" ?* ?\  1 (handles) "  " "\n\n" gnus-display-mime mm-display-part gnus-treat-article nil bufferp from gnus-mime-button-map handles not-pref gnus-mouse-face-prop gnus-article-mouse-face ...] 18)
  gnus-mime-display-alternative(((#<buffer " *mm*"> ("text/html") quoted-printable nil nil nil nil nil)) nil nil 1)
  gnus-mime-display-part(("multipart/alternative" (#<buffer " *mm*"> ("text/html") quoted-printable nil nil nil nil nil)))
  gnus-display-mime()
  gnus-article-prepare-display()
  gnus-article-prepare(6825 nil)
  gnus-summary-display-article(6825 nil)
  gnus-summary-select-article(nil nil pseudo)
  gnus-summary-scroll-up(1)
  call-interactively(gnus-summary-scroll-up)