Can't customize the variable latin1-display

[Fredrik Stax{ng]

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In GNU Emacs 21.1.1 (i386-debian-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2001-12-06 on raven, modified by Debian
configured using `configure  i386-debian-linux-gnu --prefix=/usr 
--sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib 
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --with-x=yes 
--with-x-toolkit=athena --without-gif'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

emacs -nw
M-x set-variable debug-on-error
M-x customize-variable latin1-display

n until I am on the toggle, then return
n until I am on state, then return, chose alternative 1

Then I get Wrong type or argument, stringp in the echo area.

Recent input and message are not relevant, this happened in 
my previous emacs session, when I hadrenamed my .emacs

This is the backtrace.

Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  expand-file-name(nil)
  find-file-noselect(nil)
  (set-buffer (find-file-noselect custom-file))
  custom-save-delete(custom-set-variables)
  (save-excursion (custom-save-delete (quote custom-set-variables)) (let (...) 
(unless ... ...) (princ "(custom-set-variables") (mapatoms ...) (princ ")") 
(unless ... ...)))
  custom-save-variables()
  (let ((inhibit-read-only t)) (custom-save-variables) (custom-save-faces) 
(save-excursion (set-buffer ...) (save-buffer)))
  custom-save-all()
  (let* ((form ...) (state ...) (child ...) (symbol ...) (set ...) val) (cond 
(... ...) (... ... ...) (... ... ...) (t ... ...)) (put symbol (quote 
customized-value) nil) (custom-save-all) (custom-variable-state-set widget) 
(custom-redraw-magic widget))
  custom-variable-save((custom-variable :documentation-shown t :custom-state 
modified :tag "Latin1 Display" :value latin1-display :custom-magic 
(custom-magic :args (nil) :parent #0 :indent 0 :children (...) :from #<marker 
(before-insertion) at 509 in *Customize Option: Latin1 Display*> :to #<marker 
at 589 in *Customize Option: Latin1 Display*> :buttons nil :value nil) 
:custom-form edit :buttons ((emacs-commentary-link :args nil :value 
"latin1-disp" :parent #0 :indent 0 :button-overlay #<overlay from 1172 to 1185 
in *Customize Option: Latin1 Display*> :from #<marker (before-insertion) at 
1172 in *Customize Option: Latin1 Display*> :to #<marker at 1185 in *Customize 
Option: Latin1 Display*>) (custom-group-link :args nil :value latin1-display 
:tag "Latin1 Display" :parent #0 :indent 0 :button-overlay #<overlay from 1146 
to 1162 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 1146 in *Customize Option: Latin1 Display*> :to #<marker 
at 1162 in *Customi!
ze Option: Latin1 Display*>) (documentation-string :args nil :value "Set up 
Latin-1/ASCII display for ISO8859 character sets.\nThis is done for each 
character set in the list `latin1-display-sets',\nif no font is available to 
display it.  Characters are displayed using\nthe corresponding Latin-1 
characters where they match.  Otherwise\nASCII sequences are used, mostly 
following the Latin prefix input\nmethods.  Some different ASCII sequences are 
used if\n`latin1-display-mnemonic' is non-nil.\n\nSetting this variable 
directly does not take effect;\nuse either M-x customize of the function 
`latin1-display'." :indent 0 :parent #0 :doc-overlay #<overlay from 652 to 1130 
in *Customize Option: Latin1 Display*> :buttons ... :from #<marker 
(before-insertion) at 589 in *Customize Option: Latin1 Display*> :to #<marker 
at 1131 in *Customize Option: Latin1 Display*>) (custom-magic :args ... :parent 
#0 :indent 0 :children ... :from #<marker (before-insertion) at 509 in 
*Customize Option:!
 Latin1 Display*> :to #<marker at 589 in *Customize Option: L!
atin1 Display*> :buttons nil :value nil) (visibility :args nil :value t 
:help-echo "Hide the value of this option." :action custom-toggle-parent 
:parent #0 :indent 0 :button-overlay #<overlay from 479 to 485 in *Customize 
Option: Latin1 Display*> :from #<marker (before-insertion) at 479 in *Customize 
Option: Latin1 Display*> :to #<marker at 485 in *Customize Option: Latin1 
Display*>) (item :args nil :value "Latin1 Display" :format "%{%t%}:" :action 
custom-tag-action :help-echo "Change value of this option." :mouse-down-action 
custom-tag-mouse-down-action :button-face custom-variable-button-face 
:sample-face custom-variable-tag-face :parent #0 :indent 0 :sample-overlay 
#<overlay from 463 to 477 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 478 in *Customize Option: Latin1 Display*>)) :children ((boolean :format " 
%[Toggle%]  %v\n" :value t :parent #0 :indent 0 :button-overlay #<overlay fr!
om 486 to 494 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 485 in *Customize Option: Latin1 Display*> :to #<marker 
at 509 in *Customize Option: Latin1 Display*>)) :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 1187 in *Customize Option: Latin1 Display*>))
  funcall(custom-variable-save (custom-variable :documentation-shown t 
:custom-state modified :tag "Latin1 Display" :value latin1-display 
:custom-magic (custom-magic :args (nil) :parent #0 :indent 0 :children (...) 
:from #<marker (before-insertion) at 509 in *Customize Option: Latin1 Display*> 
:to #<marker at 589 in *Customize Option: Latin1 Display*> :buttons nil :value 
nil) :custom-form edit :buttons ((emacs-commentary-link :args nil :value 
"latin1-disp" :parent #0 :indent 0 :button-overlay #<overlay from 1172 to 1185 
in *Customize Option: Latin1 Display*> :from #<marker (before-insertion) at 
1172 in *Customize Option: Latin1 Display*> :to #<marker at 1185 in *Customize 
Option: Latin1 Display*>) (custom-group-link :args nil :value latin1-display 
:tag "Latin1 Display" :parent #0 :indent 0 :button-overlay #<overlay from 1146 
to 1162 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 1146 in *Customize Option: Latin1 Display*> :to #<marker 
at 1162 in !
*Customize Option: Latin1 Display*>) (documentation-string :args nil :value 
"Set up Latin-1/ASCII display for ISO8859 character sets.\nThis is done for 
each character set in the list `latin1-display-sets',\nif no font is available 
to display it.  Characters are displayed using\nthe corresponding Latin-1 
characters where they match.  Otherwise\nASCII sequences are used, mostly 
following the Latin prefix input\nmethods.  Some different ASCII sequences are 
used if\n`latin1-display-mnemonic' is non-nil.\n\nSetting this variable 
directly does not take effect;\nuse either M-x customize of the function 
`latin1-display'." :indent 0 :parent #0 :doc-overlay #<overlay from 652 to 1130 
in *Customize Option: Latin1 Display*> :buttons ... :from #<marker 
(before-insertion) at 589 in *Customize Option: Latin1 Display*> :to #<marker 
at 1131 in *Customize Option: Latin1 Display*>) (custom-magic :args ... :parent 
#0 :indent 0 :children ... :from #<marker (before-insertion) at 509 in 
*Customize!
 Option: Latin1 Display*> :to #<marker at 589 in *Customize O!
ption: Latin1 Display*> :buttons nil :value nil) (visibility :args nil :value t 
:help-echo "Hide the value of this option." :action custom-toggle-parent 
:parent #0 :indent 0 :button-overlay #<overlay from 479 to 485 in *Customize 
Option: Latin1 Display*> :from #<marker (before-insertion) at 479 in *Customize 
Option: Latin1 Display*> :to #<marker at 485 in *Customize Option: Latin1 
Display*>) (item :args nil :value "Latin1 Display" :format "%{%t%}:" :action 
custom-tag-action :help-echo "Change value of this option." :mouse-down-action 
custom-tag-mouse-down-action :button-face custom-variable-button-face 
:sample-face custom-variable-tag-face :parent #0 :indent 0 :sample-overlay 
#<overlay from 463 to 477 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 478 in *Customize Option: Latin1 Display*>)) :children ((boolean :format " 
%[Toggle%]  %v\n" :value t :parent #0 :indent 0 :button-overlay #<ov!
erlay from 486 to 494 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 485 in *Customize Option: Latin1 Display*> :to #<marker 
at 509 in *Customize Option: Latin1 Display*>)) :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 1187 in *Customize Option: Latin1 Display*>))
  (if answer (funcall answer widget))
  (let* ((completion-ignore-case t) (answer ...)) (if answer (funcall answer 
widget)))
  (if (eq (widget-get widget :custom-state) (quote hidden)) (custom-toggle-hide 
widget) (unless (eq ... ...) (custom-variable-state-set widget)) 
(custom-redraw-magic widget) (let* (... ...) (if answer ...)))
  custom-variable-action((custom-variable :documentation-shown t :custom-state 
modified :tag "Latin1 Display" :value latin1-display :custom-magic 
(custom-magic :args (nil) :parent #0 :indent 0 :children (...) :from #<marker 
(before-insertion) at 509 in *Customize Option: Latin1 Display*> :to #<marker 
at 589 in *Customize Option: Latin1 Display*> :buttons nil :value nil) 
:custom-form edit :buttons ((emacs-commentary-link :args nil :value 
"latin1-disp" :parent #0 :indent 0 :button-overlay #<overlay from 1172 to 1185 
in *Customize Option: Latin1 Display*> :from #<marker (before-insertion) at 
1172 in *Customize Option: Latin1 Display*> :to #<marker at 1185 in *Customize 
Option: Latin1 Display*>) (custom-group-link :args nil :value latin1-display 
:tag "Latin1 Display" :parent #0 :indent 0 :button-overlay #<overlay from 1146 
to 1162 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 1146 in *Customize Option: Latin1 Display*> :to #<marker 
at 1162 in *Custo!
mize Option: Latin1 Display*>) (documentation-string :args nil :value "Set up 
Latin-1/ASCII display for ISO8859 character sets.\nThis is done for each 
character set in the list `latin1-display-sets',\nif no font is available to 
display it.  Characters are displayed using\nthe corresponding Latin-1 
characters where they match.  Otherwise\nASCII sequences are used, mostly 
following the Latin prefix input\nmethods.  Some different ASCII sequences are 
used if\n`latin1-display-mnemonic' is non-nil.\n\nSetting this variable 
directly does not take effect;\nuse either M-x customize of the function 
`latin1-display'." :indent 0 :parent #0 :doc-overlay #<overlay from 652 to 1130 
in *Customize Option: Latin1 Display*> :buttons ... :from #<marker 
(before-insertion) at 589 in *Customize Option: Latin1 Display*> :to #<marker 
at 1131 in *Customize Option: Latin1 Display*>) (custom-magic :args ... :parent 
#0 :indent 0 :children ... :from #<marker (before-insertion) at 509 in 
*Customize Optio!
n: Latin1 Display*> :to #<marker at 589 in *Customize Option:!
 Latin1 Display*> :buttons nil :value nil) (visibility :args nil :value t 
:help-echo "Hide the value of this option." :action custom-toggle-parent 
:parent #0 :indent 0 :button-overlay #<overlay from 479 to 485 in *Customize 
Option: Latin1 Display*> :from #<marker (before-insertion) at 479 in *Customize 
Option: Latin1 Display*> :to #<marker at 485 in *Customize Option: Latin1 
Display*>) (item :args nil :value "Latin1 Display" :format "%{%t%}:" :action 
custom-tag-action :help-echo "Change value of this option." :mouse-down-action 
custom-tag-mouse-down-action :button-face custom-variable-button-face 
:sample-face custom-variable-tag-face :parent #0 :indent 0 :sample-overlay 
#<overlay from 463 to 477 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 478 in *Customize Option: Latin1 Display*>)) :children ((boolean :format " 
%[Toggle%]  %v\n" :value t :parent #0 :indent 0 :button-overlay #<overlay !
from 486 to 494 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 485 in *Customize Option: Latin1 Display*> :to #<marker 
at 509 in *Customize Option: Latin1 Display*>)) :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 1187 in *Customize Option: Latin1 Display*>) nil)
  apply(custom-variable-action (custom-variable :documentation-shown t 
:custom-state modified :tag "Latin1 Display" :value latin1-display 
:custom-magic (custom-magic :args (nil) :parent #0 :indent 0 :children (...) 
:from #<marker (before-insertion) at 509 in *Customize Option: Latin1 Display*> 
:to #<marker at 589 in *Customize Option: Latin1 Display*> :buttons nil :value 
nil) :custom-form edit :buttons ((emacs-commentary-link :args nil :value 
"latin1-disp" :parent #0 :indent 0 :button-overlay #<overlay from 1172 to 1185 
in *Customize Option: Latin1 Display*> :from #<marker (before-insertion) at 
1172 in *Customize Option: Latin1 Display*> :to #<marker at 1185 in *Customize 
Option: Latin1 Display*>) (custom-group-link :args nil :value latin1-display 
:tag "Latin1 Display" :parent #0 :indent 0 :button-overlay #<overlay from 1146 
to 1162 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 1146 in *Customize Option: Latin1 Display*> :to #<marker 
at 1162 in !
*Customize Option: Latin1 Display*>) (documentation-string :args nil :value 
"Set up Latin-1/ASCII display for ISO8859 character sets.\nThis is done for 
each character set in the list `latin1-display-sets',\nif no font is available 
to display it.  Characters are displayed using\nthe corresponding Latin-1 
characters where they match.  Otherwise\nASCII sequences are used, mostly 
following the Latin prefix input\nmethods.  Some different ASCII sequences are 
used if\n`latin1-display-mnemonic' is non-nil.\n\nSetting this variable 
directly does not take effect;\nuse either M-x customize of the function 
`latin1-display'." :indent 0 :parent #0 :doc-overlay #<overlay from 652 to 1130 
in *Customize Option: Latin1 Display*> :buttons ... :from #<marker 
(before-insertion) at 589 in *Customize Option: Latin1 Display*> :to #<marker 
at 1131 in *Customize Option: Latin1 Display*>) (custom-magic :args ... :parent 
#0 :indent 0 :children ... :from #<marker (before-insertion) at 509 in 
*Customize!
 Option: Latin1 Display*> :to #<marker at 589 in *Customize O!
ption: Latin1 Display*> :buttons nil :value nil) (visibility :args nil :value t 
:help-echo "Hide the value of this option." :action custom-toggle-parent 
:parent #0 :indent 0 :button-overlay #<overlay from 479 to 485 in *Customize 
Option: Latin1 Display*> :from #<marker (before-insertion) at 479 in *Customize 
Option: Latin1 Display*> :to #<marker at 485 in *Customize Option: Latin1 
Display*>) (item :args nil :value "Latin1 Display" :format "%{%t%}:" :action 
custom-tag-action :help-echo "Change value of this option." :mouse-down-action 
custom-tag-mouse-down-action :button-face custom-variable-button-face 
:sample-face custom-variable-tag-face :parent #0 :indent 0 :sample-overlay 
#<overlay from 463 to 477 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 478 in *Customize Option: Latin1 Display*>)) :children ((boolean :format " 
%[Toggle%]  %v\n" :value t :parent #0 :indent 0 :button-overlay #<ov!
erlay from 486 to 494 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 485 in *Customize Option: Latin1 Display*> :to #<marker 
at 509 in *Customize Option: Latin1 Display*>)) :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 1187 in *Customize Option: Latin1 Display*>) nil)
  widget-apply((custom-variable :documentation-shown t :custom-state modified 
:tag "Latin1 Display" :value latin1-display :custom-magic (custom-magic :args 
(nil) :parent #0 :indent 0 :children (...) :from #<marker (before-insertion) at 
509 in *Customize Option: Latin1 Display*> :to #<marker at 589 in *Customize 
Option: Latin1 Display*> :buttons nil :value nil) :custom-form edit :buttons 
((emacs-commentary-link :args nil :value "latin1-disp" :parent #0 :indent 0 
:button-overlay #<overlay from 1172 to 1185 in *Customize Option: Latin1 
Display*> :from #<marker (before-insertion) at 1172 in *Customize Option: 
Latin1 Display*> :to #<marker at 1185 in *Customize Option: Latin1 Display*>) 
(custom-group-link :args nil :value latin1-display :tag "Latin1 Display" 
:parent #0 :indent 0 :button-overlay #<overlay from 1146 to 1162 in *Customize 
Option: Latin1 Display*> :from #<marker (before-insertion) at 1146 in 
*Customize Option: Latin1 Display*> :to #<marker at 1162 in *Customize Optio!
n: Latin1 Display*>) (documentation-string :args nil :value "Set up 
Latin-1/ASCII display for ISO8859 character sets.\nThis is done for each 
character set in the list `latin1-display-sets',\nif no font is available to 
display it.  Characters are displayed using\nthe corresponding Latin-1 
characters where they match.  Otherwise\nASCII sequences are used, mostly 
following the Latin prefix input\nmethods.  Some different ASCII sequences are 
used if\n`latin1-display-mnemonic' is non-nil.\n\nSetting this variable 
directly does not take effect;\nuse either M-x customize of the function 
`latin1-display'." :indent 0 :parent #0 :doc-overlay #<overlay from 652 to 1130 
in *Customize Option: Latin1 Display*> :buttons ... :from #<marker 
(before-insertion) at 589 in *Customize Option: Latin1 Display*> :to #<marker 
at 1131 in *Customize Option: Latin1 Display*>) (custom-magic :args ... :parent 
#0 :indent 0 :children ... :from #<marker (before-insertion) at 509 in 
*Customize Option: Latin1 !
Display*> :to #<marker at 589 in *Customize Option: Latin1 Di!
splay*> :buttons nil :value nil) (visibility :args nil :value t :help-echo 
"Hide the value of this option." :action custom-toggle-parent :parent #0 
:indent 0 :button-overlay #<overlay from 479 to 485 in *Customize Option: 
Latin1 Display*> :from #<marker (before-insertion) at 479 in *Customize Option: 
Latin1 Display*> :to #<marker at 485 in *Customize Option: Latin1 Display*>) 
(item :args nil :value "Latin1 Display" :format "%{%t%}:" :action 
custom-tag-action :help-echo "Change value of this option." :mouse-down-action 
custom-tag-mouse-down-action :button-face custom-variable-button-face 
:sample-face custom-variable-tag-face :parent #0 :indent 0 :sample-overlay 
#<overlay from 463 to 477 in *Customize Option: Latin1 Display*> :from #<marker 
(before-insertion) at 463 in *Customize Option: Latin1 Display*> :to #<marker 
at 478 in *Customize Option: Latin1 Display*>)) :children ((boolean :format " 
%[Toggle%]  %v\n" :value t :parent #0 :indent 0 :button-overlay #<overlay from 
486 t!
o 494 in *Customize Option: Latin1 Display*> :from #<marker (before-insertion) 
at 485 in *Customize Option: Latin1 Display*> :to #<marker at 509 in *Customize 
Option: Latin1 Display*>)) :from #<marker (before-insertion) at 463 in 
*Customize Option: Latin1 Display*> :to #<marker at 1187 in *Customize Option: 
Latin1 Display*>) :action nil)
  widget-parent-action((custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #0 :custom-form edit :buttons (... ... ... #0 ... 
...) :children (...) :from #<marker (before-insertion) at 463 in *Customize 
Option: Latin1 Display*> :to #<marker at 1187 in *Customize Option: Latin1 
Display*>) :indent 0 :children ((choice-item :help-echo "Change the state of 
this item." :format "%[%t%]" :button-prefix widget-push-button-prefix 
:button-suffix widget-push-button-suffix :mouse-down-action 
widget-magic-mouse-down-action :tag "State" :parent #0 :indent 0 
:button-overlay #<overlay from 512 to 519 in *Customize Option: Latin1 
Display*> :from #<marker (before-insertion) at 512 in *Customize Option: Latin1 
Display*> :to #<marker at 519 in *Customize Option: Latin1 Display*>)) :from 
#<marker (before-insertion) at 509 in *Customize Option: Latin1 Display*> :to 
#<marker at 589 in *Customize Op!
tion: Latin1 Display*> :buttons nil :value nil) nil)
  apply(widget-parent-action (custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #0 :custom-form edit :buttons (... ... ... #0 ... 
...) :children (...) :from #<marker (before-insertion) at 463 in *Customize 
Option: Latin1 Display*> :to #<marker at 1187 in *Customize Option: Latin1 
Display*>) :indent 0 :children ((choice-item :help-echo "Change the state of 
this item." :format "%[%t%]" :button-prefix widget-push-button-prefix 
:button-suffix widget-push-button-suffix :mouse-down-action 
widget-magic-mouse-down-action :tag "State" :parent #0 :indent 0 
:button-overlay #<overlay from 512 to 519 in *Customize Option: Latin1 
Display*> :from #<marker (before-insertion) at 512 in *Customize Option: Latin1 
Display*> :to #<marker at 519 in *Customize Option: Latin1 Display*>)) :from 
#<marker (before-insertion) at 509 in *Customize Option: Latin1 Display*> :to 
#<marker at 589 in *Custom!
ize Option: Latin1 Display*> :buttons nil :value nil) nil)
  widget-apply((custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #0 :custom-form edit :buttons (... ... ... #0 ... 
...) :children (...) :from #<marker (before-insertion) at 463 in *Customize 
Option: Latin1 Display*> :to #<marker at 1187 in *Customize Option: Latin1 
Display*>) :indent 0 :children ((choice-item :help-echo "Change the state of 
this item." :format "%[%t%]" :button-prefix widget-push-button-prefix 
:button-suffix widget-push-button-suffix :mouse-down-action 
widget-magic-mouse-down-action :tag "State" :parent #0 :indent 0 
:button-overlay #<overlay from 512 to 519 in *Customize Option: Latin1 
Display*> :from #<marker (before-insertion) at 512 in *Customize Option: Latin1 
Display*> :to #<marker at 519 in *Customize Option: Latin1 Display*>)) :from 
#<marker (before-insertion) at 509 in *Customize Option: Latin1 Display*> :to 
#<marker at 589 in *Customize Option: La!
tin1 Display*> :buttons nil :value nil) :action nil)
  widget-parent-action((choice-item :help-echo "Change the state of this item." 
:format "%[%t%]" :button-prefix widget-push-button-prefix :button-suffix 
widget-push-button-suffix :mouse-down-action widget-magic-mouse-down-action 
:tag "State" :parent (custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #1 :custom-form edit :buttons ... :children ... 
:from #<marker (before-insertion) at 463 in *Customize Option: Latin1 Display*> 
:to #<marker at 1187 in *Customize Option: Latin1 Display*>) :indent 0 
:children (...) :from #<marker (before-insertion) at 509 in *Customize Option: 
Latin1 Display*> :to #<marker at 589 in *Customize Option: Latin1 Display*> 
:buttons nil :value nil) :indent 0 :button-overlay #<overlay in no buffer> 
:from #<marker (before-insertion) in no buffer> :to #<marker in no buffer>) nil)
  apply(widget-parent-action (choice-item :help-echo "Change the state of this 
item." :format "%[%t%]" :button-prefix widget-push-button-prefix :button-suffix 
widget-push-button-suffix :mouse-down-action widget-magic-mouse-down-action 
:tag "State" :parent (custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #1 :custom-form edit :buttons ... :children ... 
:from #<marker (before-insertion) at 463 in *Customize Option: Latin1 Display*> 
:to #<marker at 1187 in *Customize Option: Latin1 Display*>) :indent 0 
:children (...) :from #<marker (before-insertion) at 509 in *Customize Option: 
Latin1 Display*> :to #<marker at 589 in *Customize Option: Latin1 Display*> 
:buttons nil :value nil) :indent 0 :button-overlay #<overlay in no buffer> 
:from #<marker (before-insertion) in no buffer> :to #<marker in no buffer>) nil)
  widget-apply((choice-item :help-echo "Change the state of this item." :format 
"%[%t%]" :button-prefix widget-push-button-prefix :button-suffix 
widget-push-button-suffix :mouse-down-action widget-magic-mouse-down-action 
:tag "State" :parent (custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #1 :custom-form edit :buttons ... :children ... 
:from #<marker (before-insertion) at 463 in *Customize Option: Latin1 Display*> 
:to #<marker at 1187 in *Customize Option: Latin1 Display*>) :indent 0 
:children (...) :from #<marker (before-insertion) at 509 in *Customize Option: 
Latin1 Display*> :to #<marker at 589 in *Customize Option: Latin1 Display*> 
:buttons nil :value nil) :indent 0 :button-overlay #<overlay in no buffer> 
:from #<marker (before-insertion) in no buffer> :to #<marker in no buffer>) 
:action nil)
  (if (widget-apply widget :active) (widget-apply widget :action event) (error 
"Attempt to perform action on inactive widget"))
  widget-apply-action((choice-item :help-echo "Change the state of this item." 
:format "%[%t%]" :button-prefix widget-push-button-prefix :button-suffix 
widget-push-button-suffix :mouse-down-action widget-magic-mouse-down-action 
:tag "State" :parent (custom-magic :args (nil) :parent (custom-variable 
:documentation-shown t :custom-state modified :tag "Latin1 Display" :value 
latin1-display :custom-magic #1 :custom-form edit :buttons ... :children ... 
:from #<marker (before-insertion) at 463 in *Customize Option: Latin1 Display*> 
:to #<marker at 1187 in *Customize Option: Latin1 Display*>) :indent 0 
:children (...) :from #<marker (before-insertion) at 509 in *Customize Option: 
Latin1 Display*> :to #<marker at 589 in *Customize Option: Latin1 Display*> 
:buttons nil :value nil) :indent 0 :button-overlay #<overlay in no buffer> 
:from #<marker (before-insertion) in no buffer> :to #<marker in no buffer>) nil)
  (if button (widget-apply-action button event) (let (...) (when ... ...)))
  (let ((button ...)) (if button (widget-apply-action button event) (let ... 
...)))
  widget-button-press(512)
  call-interactively(widget-button-press)


Recent input:
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
ESC < 3 g C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n SPC C-n C-n C-n SPC F C-x k RET ESC x b u TAB TAB 
DEL DEL m a TAB TAB DEL DEL DEL m TAB C-g ESC x a p 
r RET b u g RET C-x o C-v C-v C-v C-p C-p C-p C-x o 
ESC x r e p o TAB r t TAB RET

Recent messages:
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call-interactively: Text is read-only
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