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bug#3973: cleanup view-mode usage in vc-resynch-window
From: |
Stefan Monnier |
Subject: |
bug#3973: cleanup view-mode usage in vc-resynch-window |
Date: |
Fri, 31 Jul 2009 15:19:18 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) |
> The function would look like this:
> (defun view-maybe-enter-exit (file)
> (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))))
> but the calling convention is strange: it needs to be called with a
> buffer selected and pass the file name... Not sure it's worth it.
Why do we need to pass `file'?
Can't we (assert (equal file buffer-file-name))?
> At least the TODO comment can go and be replaced with a comment about
> why changing the state of view-mode is needed there.
Yes, please.
>> Maybe a better option in the longer term is refine the meaning of the
>> `preserve-modes' arg to revert-buffer, so that some minor modes can
>> request to be refreshed or not (the VC state is one that would also
>> benefit from such a change, as can be seen in auto-revert-mode).
> That sounds like a good idea. Unfortunately I am not familiar with that
> code, it is quite complex and critical, and I don't think it's too
> important to fix it now, so I'll punt.
Wise choice,
Stefan