Debugger entered--Lisp error: (void-function cfw:contents-add)
  cfw:contents-add((1 31 2011) "hoge!" nil)
  cfw:howm-schedule-period-to-calendar((1 1 2011) (1 31 2011))
  cfw:contents-merge((1 1 2011) (1 31 2011))
  cfw:model-month-create(1 2011)
  cfw:calendar-update([cl-struct-cfw:dest region nil #<buffer *howmM:%menu%*> (lambda (&rest --cl-rest--) (apply #[... "\301^HJ!\207" [G30508 marker-position$
  cfw:insert-calendar-region(nil nil 10 (keymap (13 . cfw:howm-from-calendar) keymap (116 . cfw:navi-goto-today-command) (103 . cfw:navi-goto-date-command) ($
  cfw:howm-schedule-inline()
  apply(cfw:howm-schedule-inline nil)
  howm-menu-here-func(cfw:howm-schedule-inline nil 273 305)
  howm-menu-here()
  #[(pair) "^H@^Y^HA^Zeb\210\303    \304\305#\2051^@\n;\203^]^@\306\n!\210\202  ^@\307\n!\203)^@\n \210\202 ^@\310\311\n\"\210\202  ^@*\207" [pair reg to re-$
  mapc(#[(pair) "^H@^Y^HA^Zeb\210\303   \304\305#\2051^@\n;\203^]^@\306\n!\210\202  ^@\307\n!\203)^@\n \210\202 ^@\310\311\n\"\210\202  ^@*\207" [pair reg to$
  howm-menu-replace((("%sdays" . "%here%howm-menu-schedule-days") ("%tnum" . "%here%howm-menu-todo-num") ("%schedule" . "%here%(howm-menu-schedule)") ("%todo$
  howm-menu-dynamic-setup()  howm-menu-refresh("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-menu-open-sub("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-menu-open("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-keyword-search-open-menu("%menu%" (("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" "* <<< %menu%" 1 nil nil nil) ("/home/gongo/Work/howmfiles/000$
  howm-keyword-search-subr("%menu%" nil nil)
  howm-keyword-search("%menu%")
  howm-menu()
  call-interactively(howm-menu nil nil)
  recursive-edit()
  byte-code("\306^P @\307=\203!^@\310\311\312\"\210\313\311!\211^ZA@)\242\314=\203!^@\310\315\312\"\210\316^K!\210\317 \210\320 !\210\f\203d^@\321ed\"^MV\203$
  debug(error (void-function cfw:contents-add))
  cfw:contents-add((1 31 2011) "hoge!" nil)
  cfw:howm-schedule-period-to-calendar((1 1 2011) (1 31 2011))
  cfw:contents-merge((1 1 2011) (1 31 2011))
  cfw:model-month-create(1 2011)
  cfw:calendar-update([cl-struct-cfw:dest region nil #<buffer *howmM:%menu%*> (lambda (&rest --cl-rest--) (apply #[... "\301^HJ!\207" [G30508 marker-position$
  cfw:insert-calendar-region(nil nil 10 (keymap (13 . cfw:howm-from-calendar) keymap (116 . cfw:navi-goto-today-command) (103 . cfw:navi-goto-date-command) ($
  cfw:howm-schedule-inline()
  apply(cfw:howm-schedule-inline nil)
  howm-menu-here-func(cfw:howm-schedule-inline nil 273 305)
  howm-menu-here()
  #[(pair) "^H@^Y^HA^Zeb\210\303    \304\305#\2051^@\n;\203^]^@\306\n!\210\202  ^@\307\n!\203)^@\n \210\202 ^@\310\311\n\"\210\202  ^@*\207" [pair reg to re-$
  mapc(#[(pair) "^H@^Y^HA^Zeb\210\303   \304\305#\2051^@\n;\203^]^@\306\n!\210\202  ^@\307\n!\203)^@\n \210\202 ^@\310\311\n\"\210\202  ^@*\207" [pair reg to$
  howm-menu-replace((("%sdays" . "%here%howm-menu-schedule-days") ("%tnum" . "%here%howm-menu-todo-num") ("%schedule" . "%here%(howm-menu-schedule)") ("%todo$
  howm-menu-dynamic-setup()
  howm-menu-refresh("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-menu-open-sub("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-menu-open("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" 1 "*howmM:%menu%*")
  howm-keyword-search-open-menu("%menu%" (("/home/gongo/Work/howmfiles/0000-00-00-000000.howm" "* <<< %menu%" 1 nil nil nil) ("/home/gongo/Work/howmfiles/000$
  howm-keyword-search-subr("%menu%" nil nil)
  howm-keyword-search("%menu%")
  howm-menu()
  call-interactively(howm-menu nil nil