GNU bug report logs - #1761
23.0.60; Can't reach info nodes that aren't in TOC

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: David Abrahams <dave <at> boostpro.com>
Cc: 1761 <at> debbugs.gnu.org, emacs-pretest-bug <at> gnu.org
Subject: bug#1761: 23.0.60; Can't reach info nodes that aren't in TOC
Date: Fri, 02 Jan 2009 15:48:59 +0100

On Fri, 02 Jan 2009 03:01:27 -0500 David Abrahams <dave <at> boostpro.com> wrote:

> This is arguably a feature request, but it seems so glaring that you
> might consider it a bug.  If I'm in an xterm and type `info dbus' I get
> a nice info session about emacs/dbus integration.  But there doesn't
> seem to be any way to visit the same page from within emacs using
> info-mode other than `M-: (info "dbus")'.  This seems needlessly
> inconvenient.  `C-u M-x info <RET> dbus <RET>' ought to get me to the
> same node if there's no info file named "dbus" in the current working
> directory.  Also, there should be some syntax to disambiguate:
> `C-u M-x info <RET> :dbus <RET>' maybe

I also wanted something like that, so I wrote this as a start:

(defun srb-info ()
  "Enter Info at the Info file the user chooses, tabbing for completion.
If you type parentheses around the Info file name and then type a
node name, e.g. `(emacs)Buffers', then Info enters the file at
that node (completion for nodes below the file level is not
provided)."
  (interactive)
  (require 'info)
  (let (files idx info-files info-file)
    (dolist (d Info-default-directory-list files)
      (when (file-readable-p d)
	(setq files (cons (directory-files d) files))))
    (setq files (append (car files) (cadr files)))
    (dolist (f files)
      (setq idx (string-match "\\." f))
      (setq info-files (cons (substring f 0 idx) info-files)))
    (dolist (f info-files)
      (when (string-match "-[1-9][0-9]?$" f)
	(setq info-files (delete f info-files))))
    (setq info-file (completing-read "Info file name: " info-files))
    (unless (string-match "^\([^ ]+\)" info-file)
      (setq info-file (concat "(" info-file ")")))
    (Info-goto-node info-file)))

Steve Berman

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