bug#870: Missing ^J in ChangeLog

[martin rudalics]

> Sometimes, while editing a ChangeLog file, one or several ^J disappear.
>
> It could be related to doing other modifications to the ChangeLog
> (reverting the buffer when there's outside changes while trying to
> commit, for example), but so far there is no recipe to reproduce it.
>
> The bug has been observed many times, and by at least two developers. It
> seems to be confined to the Windows port.
>
> emacs-devel discussion:
>
> http://lists.gnu.org/archive/html/emacs-devel/2008-06/msg02050.html
> http://lists.gnu.org/archive/html/emacs-devel/2008-07/msg00075.html

Can't you put a `modification-hook' (or even a `read-only' hook) on all
^Js in your ChangeLog buffers?

martin