Problem opening etc/compilation.txt

[Martin Buchmann]

This bug report will be sent to the Free Software Foundation,
not to your local site managers!
Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing list.

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

If i try to open the example file etc/compilation.txt for the customization 
group
'Compilation Error Regexp Alist' i get the following backtrace:

Debugger entered--Lisp error: (wrong-type-argument stringp (nil))
  file-truename((nil))
  compilation-get-file-structure(("../javax/swing/BorderFactory.java" nil) nil)
  compilation-internal-error-properties(("../javax/swing/BorderFactory.java" 
nil) 150 nil nil nil 2 nil)
  compilation-error-properties(nil 1 nil nil nil 2 nil)
  eval((compilation-error-properties (quote nil) 1 nil nil nil (quote 2) (quote 
nil)))
  font-lock-fontify-keywords-region(1 12034 t)
  font-lock-default-fontify-region(1 12034 t)
  font-lock-fontify-region(1 12034 t)
  byte-code("Ã ÄÅed     #Æ Ç+" [save-match-data-internal verbose 
font-lock-fontified match-data ((byte-code "ÁÂ\"" [save-match-data-internal 
set-match-data evaporate] 3)) font-lock-fontify-region 
font-lock-after-fontify-buffer t] 4)
  font-lock-default-fontify-buffer()
  font-lock-fontify-buffer()
  font-lock-mode-internal(t)
  font-lock-default-function(t)
  font-lock-mode()
  turn-on-font-lock()
  run-hooks(compilation-turn-on-font-lock)
  apply(run-hooks compilation-turn-on-font-lock)
  run-mode-hooks(compilation-turn-on-font-lock)
  compilation-setup()
  compilation-mode()
  set-auto-mode-0(compilation-mode nil)
  byte-code("ʼnƒ/address@hidden        !ÇÈ    \"‚(ÉÊ  \f\"(ËÌÅ\"\nA  *Å" 
[modes mode --cl-dolist-temp-- done keep-mode-if-same nil functionp message 
"Ignoring unknown mode `%s'" t set-auto-mode-0 throw nop] 4)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer compilation.txt> 
"/Applications/Emacs.app/Contents/Resources/etc/compilation.txt" nil nil 
"/Applications/Emacs.app/Contents/Resources/etc/compilation.txt" (42005644 
234881026))
  
find-file-noselect("/Applications/Emacs.app/Contents/Resources/etc/compilation.txt"
 nil nil nil)
  find-file("/Applications/Emacs.app/Contents/Resources/etc/compilation.txt")
  widget-file-link-action((file-link :tag "example file" :args nil :value 
"/Applications/Emacs.app/Contents/Resources/etc/compilation.txt" :parent 
(custom-variable :group (custom-group :documentation-shown t :custom-state set 
:tag "Compilation" :value compilation :buttons ... :sample-overlay #<overlay 
from 617 to 628 in *Customize Group: Compilation*> :custom-magic ... :children 
... :from #<marker (moves after insertion) at 577 in *Customize Group: 
Compilation*> :to #<marker at 3472 in *Customize Group: Compilation*>) :tag 
"Compilation Error Regexp Alist" :custom-prefixes ("compilation-") 
:custom-level 2 :value compilation-error-regexp-alist :parent (custom-group 
:documentation-shown t :custom-state set :tag "Compilation" :value compilation 
:buttons ... :sample-overlay #<overlay from 617 to 628 in *Customize Group: 
Compilation*> :custom-magic ... :children ... :from #<marker (moves after 
insertion) at 577 in *Customize Group: Compilation*> :to #<marker at 3472 in 
*Customize Group: Compilation*>) :indent 0 :custom-form edit :custom-magic 
(custom-magic :args ... :parent #1 :indent 0 :children ... :from #<marker 
(moves after insertion) at 1783 in *Customize Group: Compilation*> :to #<marker 
at 1803 in *Customize Group: Compilation*> :buttons nil :value nil) :buttons 
(#0 ... ... ... ...) :children (... ...) :custom-state standard :from #<marker 
(moves after insertion) at 1282 in *Customize Group: Compilation*> :to #<marker 
at 1893 in *Customize Group: Compilation*> :comment-widget (custom-comment 
:parent #1 :value "" :indent 0 :from #<marker at 1870 in *Customize Group: 
Compilation*> :to #<marker at 1870 in *Customize Group: Compilation*>)) :indent 
0 :button-overlay #<overlay from 1879 to 1891 in *Customize Group: 
Compilation*> :from #<marker (moves after insertion) at 1879 in *Customize 
Group: Compilation*> :to #<marker at 1891 in *Customize Group: Compilation*>) 
nil)
  widget-apply((file-link :tag "example file" :args nil :value 
"/Applications/Emacs.app/Contents/Resources/etc/compilation.txt" :parent 
(custom-variable :group (custom-group :documentation-shown t :custom-state set 
:tag "Compilation" :value compilation :buttons ... :sample-overlay #<overlay 
from 617 to 628 in *Customize Group: Compilation*> :custom-magic ... :children 
... :from #<marker (moves after insertion) at 577 in *Customize Group: 
Compilation*> :to #<marker at 3472 in *Customize Group: Compilation*>) :tag 
"Compilation Error Regexp Alist" :custom-prefixes ("compilation-") 
:custom-level 2 :value compilation-error-regexp-alist :parent (custom-group 
:documentation-shown t :custom-state set :tag "Compilation" :value compilation 
:buttons ... :sample-overlay #<overlay from 617 to 628 in *Customize Group: 
Compilation*> :custom-magic ... :children ... :from #<marker (moves after 
insertion) at 577 in *Customize Group: Compilation*> :to #<marker at 3472 in 
*Customize Group: Compilation*>) :indent 0 :custom-form edit :custom-magic 
(custom-magic :args ... :parent #1 :indent 0 :children ... :from #<marker 
(moves after insertion) at 1783 in *Customize Group: Compilation*> :to #<marker 
at 1803 in *Customize Group: Compilation*> :buttons nil :value nil) :buttons 
(#0 ... ... ... ...) :children (... ...) :custom-state standard :from #<marker 
(moves after insertion) at 1282 in *Customize Group: Compilation*> :to #<marker 
at 1893 in *Customize Group: Compilation*> :comment-widget (custom-comment 
:parent #1 :value "" :indent 0 :from #<marker at 1870 in *Customize Group: 
Compilation*> :to #<marker at 1870 in *Customize Group: Compilation*>)) :indent 
0 :button-overlay #<overlay from 1879 to 1891 in *Customize Group: 
Compilation*> :from #<marker (moves after insertion) at 1879 in *Customize 
Group: Compilation*> :to #<marker at 1891 in *Customize Group: Compilation*>) 
:action nil)
  widget-apply-action((file-link :tag "example file" :args nil :value 
"/Applications/Emacs.app/Contents/Resources/etc/compilation.txt" :parent 
(custom-variable :group (custom-group :documentation-shown t :custom-state set 
:tag "Compilation" :value compilation :buttons ... :sample-overlay #<overlay 
from 617 to 628 in *Customize Group: Compilation*> :custom-magic ... :children 
... :from #<marker (moves after insertion) at 577 in *Customize Group: 
Compilation*> :to #<marker at 3472 in *Customize Group: Compilation*>) :tag 
"Compilation Error Regexp Alist" :custom-prefixes ("compilation-") 
:custom-level 2 :value compilation-error-regexp-alist :parent (custom-group 
:documentation-shown t :custom-state set :tag "Compilation" :value compilation 
:buttons ... :sample-overlay #<overlay from 617 to 628 in *Customize Group: 
Compilation*> :custom-magic ... :children ... :from #<marker (moves after 
insertion) at 577 in *Customize Group: Compilation*> :to #<marker at 3472 in 
*Customize Group: Compilation*>) :indent 0 :custom-form edit :custom-magic 
(custom-magic :args ... :parent #1 :indent 0 :children ... :from #<marker 
(moves after insertion) at 1783 in *Customize Group: Compilation*> :to #<marker 
at 1803 in *Customize Group: Compilation*> :buttons nil :value nil) :buttons 
(#0 ... ... ... ...) :children (... ...) :custom-state standard :from #<marker 
(moves after insertion) at 1282 in *Customize Group: Compilation*> :to #<marker 
at 1893 in *Customize Group: Compilation*> :comment-widget (custom-comment 
:parent #1 :value "" :indent 0 :from #<marker at 1870 in *Customize Group: 
Compilation*> :to #<marker at 1870 in *Customize Group: Compilation*>)) :indent 
0 :button-overlay #<overlay from 1879 to 1891 in *Customize Group: 
Compilation*> :from #<marker (moves after insertion) at 1879 in *Customize 
Group: Compilation*> :to #<marker at 1891 in *Customize Group: Compilation*>) 
nil)
  widget-button-press(1888)
  call-interactively(widget-button-press)

If emacs crashed, and you have the emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/Applications/Emacs.app/Contents/Resources/etc/DEBUG for instructions.


In GNU Emacs 22.0.50.1 (powerpc-apple-darwin8.2.0)
 of 2005-09-19 on metallw08.timewe.uni-jena.de
X server distributor `Apple Computers', version 10.4.2
configured using `configure '--without-x' '--prefix=/usr/local''

Important settings:
  value of $LC_ALL: de_DE.UTF-8
  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: de_DE.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Debugger

Minor modes in effect:
  encoded-kbd-mode: t
  TeX-PDF-mode: t
  show-paren-mode: t
  msb-mode: t
  tabbar-mode: t
  recentf-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  tooltip-mode: t
  auto-compression-mode: t
  menu-bar-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
<help-echo> <help-echo> C-x b <return> <up> <down> 
M-x <up> <return> <help-echo> <help-echo> <down-mouse-2> 
<mouse-2> <help-echo> <down-mouse-1> <mouse-1> C-k 
C-k C-k C-x C-s <help-echo> C-x b <return> M-x <up> 
<return> <help-echo> <help-echo> <tool-bar> <kill-buffer> 
<tool-bar> <kill-buffer> <help-echo> <down-mouse-1> 
<mouse-1> <help-echo> <help-echo> <tool-bar> <kill-buffer> 
<help-echo> <tool-bar> <kill-buffer> <help-echo> <down-mouse-1> 
<mouse-1> C-x 1 M-x <up> <up> <up> <down> <return> 
M-x <up> <up> <up> <up> <return> c o m p i l a t i 
o n <return> <help-echo> <help-echo> <help-echo> <down-mouse-2> 
<mouse-2> <help-echo> <wheel-down> <double-wheel-down> 
<wheel-down> <double-wheel-down> <triple-wheel-down> 
<triple-wheel-down> <help-echo> <help-echo> <down-mouse-1> 
<mouse-1> <help-echo> M-x r e <tab> p o <tab> <down-mouse-2> 
<mouse-2>

Recent messages:
Creating group magic...
Creating group state...
Creating group... done
Creating customization items ...done
Resetting customization items...done
Creating customization setup...done
Note: file is write protected
Fontifying compilation.txt... (regexps.....................)
Entering debugger...
Making completion list... [2 times]

-- 
optimist, n:
        A bagpiper with a beeper.