Re: Info error in 21.4.8 (win32) version

The following message is a courtesy copy of an article that has been posted to comp.emacs.xemacs as well. Alan> After installing Alan> XEmacs 21.4 (patch 8) "Honest Recruiter (Windows [3])" [Lucid] Alan> (i586-pc-win32) of Sun Jun 16 2002 on TSUNAMI Alan> I had an error occur when I invoked Info (C-h i). With Hi Alan, Please use Help->Send Bug Report... or M-x report-emacs-bug as suggested in http://www.xemacs.org/Debug/index.html This will tell us enough about your XEmacs installation so that we should be able to help you. If XEmacs does not build or start up, please send any version and configuration information you have to xemacs-beta(a)xemacs.org with any mailer as plain text (MIME attachments are OK, please don't send HTML mail). Alan> "debug-on-error" set to "t" I got the following backtrace. In the Alan> backtrace output I've used "fill-paragraph-or-region" on the long Alan> lines. I've also replaced the control character "^_" with the two Alan> characters and replaced control characters with xxx in the line Alan> starting with (byte-code. Alan> ------------------------- Alan> Signaling: (search-failed "^_") Alan> search-forward("^_") Alan> byte-code("..." [Info-dir-newer-info-files dir-full-contents Alan> buffer-read-only dir-section-contents mark next-section nil Alan> search-forward "^_" re-search-forward "^\\* Menu:.*$" t "^\\* " 0 throw Alan> done Info-parse-dir-entries "^[^* ].*:[ ]*$" mapcar Alan> #<compiled-function (file) "...(67)" [dir-full-contents Alan> not-first-section dir-entry file file-dir-entry dir-section-contents Alan> assoc file-name-sans-extension file-name-nondirectory Alan> Info-extract-dir-entry-from dummy capitalize ":" Alan> Info-no-description-string] 5> Info-dump-dir-entries Alan> not-first-section] 4) Alan> Info-rebuild-dir("c:\\Program Files\\XEmacs\\XEmacs-21.4.8\\info\\dir") Alan> Info-maybe-update-dir("c:\\Program Files\\XEmacs\\XEmacs-21.4.8\\info\\dir") Alan> Info-insert-dir() Alan> Info-find-file-node("c:\\PROGRAM Alan> FILES\\XEMACS\\XEMACS-21.4.8\\info\\dir" "top" nil nil nil) Alan> Info-find-node("dir" "top") Alan> Info-directory() Alan> #<compiled-function (&optional file) "...(82)" Alan> [command-line-args-left command-line-args Info-standalone file p Alan> string-match "^-[fe]" "info" t 3 "^-" 2 nil (...) Info-goto-node "(" Alan> ")" get-buffer "*info*" switch-to-buffer Info-directory] 5 Alan> ("c:\\PROGRAM FILES\\XEMACS\\XEMACS-21.4.8\\lisp\\info.elc" . 9547) Alan> (byte-code "xxx" [current-prefix-arg read-file-name "Info Alan> file name: " nil t] 5)>() Alan> call-interactively(info) Alan> ------------------------- Alan> My cure was to modify the function 'Info-rebuild-dir'. Here Alan> is "diff" output on two files, "lisp-fix" containing the Alan> modified "Info-rebuild-dir" and "info-extract.el" containing Alan> the unmodified version. Alan, your patch is reversed. Please provide patches produced with diff -u old-file new-file Why did you have to add the (widen) call? What problem is it fixing? Making search-forward not throw an error looks good to me. Best regards, Adrian Alan> ------------------------- Alan> u:\elisp\lisp-fix>diff -c info-fix.el Alan> /cygdrive/d/Temporary/misc/info-extract.el Alan> diff -c info-fix.el /cygdrive/d/Temporary/misc/info-extract.el Alan> *** info-fix.el Sat Aug 3 09:59:40 2002 Alan> --- /cygdrive/d/Temporary/misc/info-extract.el Mon Aug 5 12:08:48 2002 Alan> *************** Alan> *** 32,40 **** Alan> (message "Rebuilding %s..." file)) Alan> (catch 'done Alan> (setq buffer-read-only nil) Alan> - (widen) Alan> (goto-char (point-min)) Alan> ! (unless (and (search-forward "\^_" nil t) Alan> (re-search-forward "^\\* Menu:.*$" nil t) Alan> (setq mark (and (re-search-forward "^\\* " nil t) Alan> (match-beginning 0)))) Alan> --- 32,39 ---- Alan> (message "Rebuilding %s..." file)) Alan> (catch 'done Alan> (setq buffer-read-only nil) Alan> (goto-char (point-min)) Alan> ! (unless (and (search-forward "\^_") Alan> (re-search-forward "^\\* Menu:.*$" nil t) Alan> (setq mark (and (re-search-forward "^\\* " nil t) Alan> (match-beginning 0)))) Alan> ------------------------- Alan> This may have been fixed in later versions of XEmacs, but this was the Alan> latest binary version for win32 that was offered. Alan> -- Alan> Alan Wehmann Alan> wehmann(a)fnal.gov -- Adrian Aichner mailto:adrian＠xemacs.org http://www.xemacs.org/