replace-match error with x-symbol

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 21.2 (beta37) "Pan" [Lucid] (i686-pc-linux, Mule) of Tue Nov 28 2000 on localhost.localdomain configured using `configure --extra-verbose --bindir=/usr/local/share/xemacs/21.2/bin --with-gcc --cflags=-O3 --site-includes=/usr/local/include --x-includes=/usr/include/X11 --site-libraries=/usr/local/lib --prefix=/usr/local/share/xemacs --with-clash-detection --with-sound=none --with-mule --with-xim=motif --error-checking=none --with-modules' Please describe exactly what actions triggered the bug and the precise symptoms of the bug: Some fairly recent change in replace-match is causing the following error in x-symbol-mode. Signaling: (error "last thing matched was not a buffer") replace-match("(5S(B" t t) x-symbol-decode-all(nil) x-symbol-mode-internal(t) x-symbol-mode(nil) call-interactively(x-symbol-mode) command-execute(x-symbol-mode t) execute-extended-command(nil) call-interactively(execute-extended-command) Recent keystrokes: C-x C-f / h o TAB r i TAB j TAB w insert e BS BS e TAB t e TAB RET ESC x x - s y TAB m o d e RET misc-user ESC x x - s y TAB m o d e RET ESC x x - s y TAB m o d e RET button1 button1up misc-user Recent messages (most recent first): Loading mail-abbrevs... Loading emacsbug...done Loading emacsbug... Entering debugger... Loading debug...done Loading debug... Loading cus-edit...done last thing matched was not a buffer Loading customization dependencies...done Loading customization dependencies...