(set-language-environment 'Chinese-GB) will result in wrong-type-argument error. From: To: emacs-pretest-bug@gnu.org Subject: 23.0.50; --text follows this line-- 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 emacs-pretest-bug@gnu.org mailing list. Please describe exactly what actions triggered the bug and the precise symptoms of the bug: 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 d:/emacs22/etc/DEBUG for instructions. In GNU Emacs 23.0.50.1 (i386-mingw-nt5.1.2600) of 2007-10-15 on KEVIN-DESKTOP Windowing system distributor `Microsoft Corp.', version 5.1.2600 configured using `configure --with-gcc (3.4)' 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: ENU locale-coding-system: cp936 default-enable-multibyte-characters: t Major mode: Debugger Minor modes in effect: tooltip-mode: t tool-bar-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-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 auto-compression-mode: t line-number-mode: t Recent input: C-x C-f ~ / _ e m a C-x C-e M-w M-w M-x r e p o r SPC e SPC b u SPC Recent messages: To ensure normal operation, you should investigate and remove the cause of the error in your initialization file. Start Emacs with the `--debug-init' option to view a complete error backtrace. For information about GNU Emacs and the GNU system, type C-h C-a. mouse-posn-property: Args out of range: 119825, 119825 Entering debugger...