bug#9761: proposed list-buffers change -- revert buffer if point is in *Buffer List* buffer

[Zachary Kanfer <zkanfer@gmail.com>]

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The command list-buffers always puts point at the end of the buffer. This
patch changes the list-buffers command to simply revert the buffer if point
is inside the *Buffer List* buffer. Since point is kept at the same line,
the user can more easily see what changes have occurred.
 -Zachary Kanfer


=== modified file 'lisp/buff-menu.el'
*** lisp/buff-menu.el    2011-09-18 20:43:20 +0000
--- lisp/buff-menu.el    2011-10-15 03:59:12 +0000
*************** Non-null optional arg FILES-ONLY means m
*** 652,658 ****

  For more information, see the function `buffer-menu'."
    (interactive "P")
!   (display-buffer (list-buffers-noselect files-only)))

  (defconst Buffer-menu-short-ellipsis
    ;; This file is preloaded, so we can't use char-displayable-p here
--- 652,661 ----

  For more information, see the function `buffer-menu'."
    (interactive "P")
!   (if (string= (buffer-name)
!                "*Buffer List*")
!       (revert-buffer)
!     (display-buffer (list-buffers-noselect files-only))))

  (defconst Buffer-menu-short-ellipsis
    ;; This file is preloaded, so we can't use char-displayable-p here

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