From: Juri Linkov <juri@jurta.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 9915@debbugs.gnu.org
Subject: bug#9915: 24.0.91; Info-hide-node-references does not take effect immediately
Date: Wed, 02 Nov 2011 11:45:51 +0200 [thread overview]
Message-ID: <87k47iyi0g.fsf@mail.jurta.org> (raw)
In-Reply-To: <87vcr3v7g5.fsf@mail.jurta.org> (Juri Linkov's message of "Tue, 01 Nov 2011 23:59:02 +0200")
> This is due to the peculiarity of the implementation of
> `Info-revert-find-node' that kills the *Info* buffer to revert it.
> Its comment says:
>
> ;; It's perhaps a bit nasty to kill the *info* buffer to force a re-read,
> ;; but at least it keeps this routine (which is for makeinfo-buffer and
> ;; Info-revert-buffer-function) out of the way of normal operations.
>
> It has other nasty effects when used in defcustom, e.g. when
> *Info* buffers are displayed in different windows, it will mess up
> the window configuration. I think `Info-revert-find-node' should
> be rewritten to not kill the *Info* buffer, but I'm not sure
> whether this is need for 24.1.
This should be fixed with the following patch that doesn't kill the
*Info* buffer. I tested it with `M-x makeinfo-buffer RET', with `M-x
revert-buffer RET' and with customizing `Info-hide-node-references'.
=== modified file 'lisp/info.el'
--- lisp/info.el 2011-10-24 05:47:05 +0000
+++ lisp/info.el 2011-11-02 09:43:59 +0000
@@ -231,6 +231,12 @@ (defcustom Info-hide-note-references t
(const :tag "Replace tag and hide reference" t)
(const :tag "Hide tag and reference" hide)
(other :tag "Only replace tag" tag))
+ :set (lambda (sym val)
+ (set sym val)
+ (dolist (buffer (buffer-list))
+ (with-current-buffer buffer
+ (when (eq major-mode 'Info-mode)
+ (revert-buffer t t)))))
:group 'info)
(defcustom Info-refill-paragraphs nil
@@ -811,10 +822,6 @@ (defun Info-on-current-buffer (&optional
(concat default-directory (buffer-name))))
(Info-find-node-2 nil nodename))
-;; It's perhaps a bit nasty to kill the *info* buffer to force a re-read,
-;; but at least it keeps this routine (which is for makeinfo-buffer and
-;; Info-revert-buffer-function) out of the way of normal operations.
-;;
(defun Info-revert-find-node (filename nodename)
"Go to an Info node FILENAME and NODENAME, re-reading disk contents.
When *info* is already displaying FILENAME and NODENAME, the window position
@@ -822,33 +829,24 @@ (defun Info-revert-find-node (filename n
(or (eq major-mode 'Info-mode) (switch-to-buffer "*info*"))
(let ((old-filename Info-current-file)
(old-nodename Info-current-node)
- (old-buffer-name (buffer-name))
+ (window-selected (eq (selected-window) (get-buffer-window)))
(pcolumn (current-column))
(pline (count-lines (point-min) (line-beginning-position)))
- (wline (count-lines (point-min) (window-start)))
- (old-history-forward Info-history-forward)
- (old-history Info-history)
- (new-history (and Info-current-file
- (list Info-current-file Info-current-node (point)))))
- (kill-buffer (current-buffer))
- (switch-to-buffer (or old-buffer-name "*info*"))
- (Info-mode)
- (Info-find-node filename nodename)
- (setq Info-history-forward old-history-forward)
- (setq Info-history old-history)
+ (wline (count-lines (point-min) (window-start))))
+ ;; When `Info-current-file' is nil, `Info-find-node-2' rereads the file.
+ (setq Info-current-file nil)
+ (Info-find-node filename nodename t)
(if (and (equal old-filename Info-current-file)
(equal old-nodename Info-current-node))
(progn
;; note goto-line is no good, we want to measure from point-min
- (goto-char (point-min))
- (forward-line wline)
- (set-window-start (selected-window) (point))
+ (when window-selected
+ (goto-char (point-min))
+ (forward-line wline)
+ (set-window-start (selected-window) (point)))
(goto-char (point-min))
(forward-line pline)
- (move-to-column pcolumn))
- ;; only add to the history when coming from a different file+node
- (if new-history
- (setq Info-history (cons new-history Info-history))))))
+ (move-to-column pcolumn)))))
(defun Info-revert-buffer-function (_ignore-auto noconfirm)
(when (or noconfirm (y-or-n-p "Revert info buffer? "))
next prev parent reply other threads:[~2011-11-02 9:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-31 11:47 bug#9915: 24.0.91; Info-hide-node-references does not take effect immediately Eli Zaretskii
2011-11-01 9:32 ` Juri Linkov
2011-11-01 11:18 ` Eli Zaretskii
2011-11-01 21:59 ` Juri Linkov
2011-11-02 9:45 ` Juri Linkov [this message]
2011-11-19 21:45 ` Juri Linkov
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