Re: Reloading info files

[Kevin Ryde <user42@zip.com.au>]

Reiner Steib <4.uce.03.r.s@nurfuerspam.de> writes:
>
> (defun rs-info-reload ()
>   "Reload current info node."

You can enhance that by saving point as line+column, and the window
position as a line, to stop it jumping around too much on small
changes in the re-read text.  Code below from the emacs cvs.


;; 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 only for the benefit of
;; makeinfo-buffer) 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
is preserved, if possible."
  (pop-to-buffer "*info*")
  (let ((old-filename Info-current-file)
	(old-nodename Info-current-node)
	(pcolumn      (current-column))
	(pline        (count-lines (point-min) (line-beginning-position)))
	(wline        (count-lines (point-min) (window-start)))
	(old-history  Info-history)
	(new-history (and Info-current-file
			  (list Info-current-file Info-current-node (point)))))
    (kill-buffer (current-buffer))
    (Info-find-node filename nodename)
    (setq Info-history old-history)
    (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
	  (beginning-of-buffer)
	  (forward-line wline)
	  (set-window-start (selected-window) (point))
	  (beginning-of-buffer)
	  (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))))))