(file-name-extension "x.el~") -> "el"

This bug report will be sent to the XEmacs Development Team, not to your local site managers!! Please write in English, because the XEmacs maintainers do not have translators to read other languages for them. In XEmacs 21.1 (patch 10) "Capitol Reef" [Lucid] (i386-pc-win32) of Fri Jun 09 2000 on ZJ75T configured using `configure UNKNOWN' as well as (emacs-version) "XEmacs 21.2 (beta34) \"Molpe\" [Lucid] (i586-pc-win32) of Fri Jul 14 2000 on ZJ75T" Please describe exactly what actions triggered the bug and the precise symptoms of the bug: Just evaluate (file-name-extension "x.el~") in the *scratch* buffer to reproduce this bug. This happens in a vanilla 21.1.10 and 21.2-b34 XEmacs built from latest CVS. Adrian Recent keystrokes: button1 button1up RET C-x 1 C-p RET C-h a b a c k u p RET button1 button1up RET C-x b RET C-x 1 M-> RET RET ( b a c k u p - f i l e C-M-i SPC C-button1 C-button1up ) C-x C-e C-b C-b BS C-e C-x C-e C-b C-b ~ C-e C-x C-e C-p C-p M-x g n a SPC SPC C-g M-x e m a SPC b SPC BS r e SPC BS BS BS BS BS BS BS BS r e SPC BS p o SPC r SPC e SPC SPC SPC RET Recent messages (most recent first): "el" Loading emacsbug...done Loading emacsbug... Making completion list... Quit Making completion list... 17 nil 17 "el"