Failure is: Symbol's value as variable is void: backup-extract-version-start This patch is one way to fix it: 2006-08-15 Adrian Aichner <adrian(a)xemacs.org&gt; * dired.el (dired-collect-file-versions): XEmacs 21.5 makes use of backup-extract-version-start. * dired.el (dired-trample-file-versions): Ditto. --- c:\Program Files\XEmacs\xemacs-packages\lisp\dired\dired.el.~1~ 2006-08-15 00:04:39.943875000 +0200 +++ c:\Program Files\XEmacs\xemacs-packages\lisp\dired\dired.el 2006-08-15 00:04:35.772000000 +0200 ＠＠ -3750,6 +3750,7 ＠＠ (let* ((base-versions (concat (file-name-nondirectory fn) ".~")) (bv-length (length base-versions)) + (backup-extract-version-start (length base-versions)) (possibilities (file-name-all-completions base-versions (file-name-directory fn)))) ＠＠ -3769,6 +3770,7 ＠＠ (and (not (string-equal base fn)) (setq base-version-list (assoc base alist)) (setq bv-length (string-match "[0-9]" fn (length base))) + (setq backup-extract-version-start (string-match "[0-9]" fn (length base))) (not (memq (backup-extract-version fn) base-version-list)) (progn (skip-chars-backward "^\n\r") (bolp)) ; make sure the preceding char isn't \r. Emacs: XEmacs 21.5 (beta27) "fiddleheads" (+CVS-20060812) [Lucid] (i586-pc-win32, Mule) of Sun Aug 13 2006 on TANG Package: Dired current state: ============== (setq dired-version "7.13" dired-backup-if-overwrite nil dired-chown-program "/etc/chown" dired-cleanup-alist '(("tex" ".toc" ".log" ".aux" ".dvi") ("latex" ".toc" ".log" ".aux" ".idx" ".lof" ".lot" ".glo" ".dvi") ("bibtex" ".blg" ".bbl") ("texinfo" ".cp" ".cps" ".fn" ".fns" ".ky" ".kys" ".pg" ".pgs" ".tp" ".tps" ".vr" ".vrs") ("patch" ".rej" ".orig") ("backups" "~") ("completion-ignored-extensions" ".svn/" "CM/" "CVS/" ".o" ".obj" ".elc" "~" ".bin" ".lbin" ".dvi" ".class") ) dired-compression-method 'gzip dired-compression-method-alist '((gzip ".gz" ("gzip" "-9") ("gzip" "-d") "-f") (compress ".Z" ("compress" "-f") ("compress" "-d") "-f") (pack ".z" ("pack" "-f") ("unpack"))) dired-copy-preserve-time t dired-dwim-target nil dired-failed-marker-shell ?! dired-filename-re-ext "\\..+\\'" dired-find-subdir nil dired-gnutar-program "tar" dired-keep-marker-compress t dired-keep-marker-copy ?C dired-keep-marker-hardlink ?H dired-keep-marker-kill ?K dired-keep-marker-rename t dired-keep-marker-symlink ?S dired-keep-marker-uucode ?U dired-kept-versions 2 dired-listing-switches "-al" dired-local-variables-file ".dired" dired-ls-F-marks-symlinks nil dired-ls-program "ls" dired-mail-reader 'vm dired-mode-line-modified "-%s%s%s-" dired-no-confirm nil dired-omit-extensions '(".class" ".lbin" ".bin" ".elc" ".obj" ".o" "CVS/" "CM/" ".svn/" "~" ".orig" ".rej" ".vrs" ".vr" ".tps" ".tp" ".pgs" ".pg" ".kys" ".ky" ".fns" ".fn" ".cps" ".cp" ".bbl" ".blg" ".glo" ".lot" ".lof" ".idx" ".dvi" ".aux" ".log" ".toc") dired-omit-files nil dired-omit-regexps '("\\`#" "\\`\\.") dired-refresh-automatically nil dired-show-ls-switches nil dired-trivial-filenames "\\`\\.\\.?\\'\\|\\`#" dired-unshar-program nil dired-use-file-transformers t dired-verify-modtimes t reporter-version "Your version of reporter is obsolete. Please upgrade." ) -- Adrian Aichner mailto:adrian＠xemacs.org http://www.xemacs.org/