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bug#3973: cleanup view-mode usage in vc-resynch-window

From: Dan Nicolaescu
Subject: bug#3973: cleanup view-mode usage in vc-resynch-window
Date: Thu, 30 Jul 2009 00:44:58 -0700 (PDT) 
vc-resynch-window contains this code:

             ;; TODO: Adjusting view mode might no longer be necessary
             ;; after RMS change to files.el of 1999-08-08.  Investigate
             ;; this when we install the new VC.
             (and view-read-only
                  (if (file-writable-p file)
                      (and view-mode
                           (let ((view-old-buffer-read-only nil))
                             (view-mode-exit)))
                    (and (not view-mode)
                         (not (eq (get major-mode 'mode-class) 'special))
                         (view-mode-enter))))

not sure what it's supposed to do... 
But the comment (added in Apr 2000!) seems to say that it can be removed.
Should it?
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