Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug. If you can, give a recipe
starting from `emacs -Q':
Get a Java source file to test:
wget
'http://jdee.svn.sf.net/viewvc/jdee/trunk/jdee/java/src/jde/util/MultiValueMap.java?revision=200'
-O MultiValueMap.java
Invoke emacs:
emacs -Q --eval '(setq debug-on-error t)' MultiValueMap.java
Use `occur' for listing lines containing a match for "return".
M-x occur
List lines matching regexp: return
Lisp backtrace:
Debugger entered--Lisp error: (wrong-type-argument stringp nil)
looking-at(nil)
c-font-lock-enclosing-decls(2270)
font-lock-fontify-keywords-region(2250 2270 nil)
font-lock-default-fontify-region(2250 2270 nil)
font-lock-fontify-region(2250 2270)
run-hook-with-args(font-lock-fontify-region 2250 2270)
byte-code("..." [start next run-hook-with-args jit-lock-functions] 4)
jit-lock-fontify-now(2250 2269)
occur-engine-line(2250 2269 t)
occur-engine("return" (#<buffer MultiValueMap.java>) #<buffer *Occur*> 0 t
underline nil match t)
occur-1("return" nil (#<buffer MultiValueMap.java>))
occur("return" nil)
call-interactively(occur nil nil)
Fix:
See the tiny patch attached.
In GNU Emacs 24.0.50.3 (i686-pc-cygwin)
of 2011-09-03 on zeroset
configured using `configure '--without-dbus' '--with-gconf' '--without-x''
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: ja_JP.UTF-8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Debugger
Minor modes in effect:
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
ESC s o r e t u r n RET ESC x r e p o r t - e m a c
s - b u TAB RET
Recent messages:
("./src/emacs" "--eval" "(setq debug-on-error t)" "MultiValueMap.java")
For information about GNU Emacs and the GNU system, type C-h C-a.
MultiValueMap.java has auto save data; consider M-x recover-this-file
Loading vc-bzr...done
Error during redisplay: (wrong-type-argument stringp nil)
Entering debugger...
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr message format-spec rfc822 mml mml-sec
mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mailabbrev mail-utils gmm-utils mailheader
emacsbug help-mode view debug vc-bzr cc-mode cc-fonts easymenu cc-guess
cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs regexp-opt
time-date japan-util ediff-hook vc-hooks lisp-float-type lisp-mode
register page menu-bar rfn-eshadow timer jit-lock font-lock syntax
facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak
czech european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces
cus-face files text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget hashtable-print-readable backquote
make-network-process multi-tty emacs)
lisp-progmodes-cc-fonts.el.patch
Description: Binary data
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