bug#870: Repeatable instance of bug#870

[Eli Zaretskii]

> From: Kenichi Handa <handa@m17n.org>
> Date: Tue, 13 Jan 2009 11:30:16 +0900
> Cc: 870@emacsbugs.donarmstrong.com
> 
> > In particular, when I visit a file, (1) save it with a different line
> > ending, (2) change the line ending outside this instance of Emacs, and
> > (3) revert the buffer, its line ending is the one saved in (1) and not
> > the one from (2).  But IIUC Emacs 22 didn't handle this either.
> 
> By (1), the variable buffer-file-coding-system-explicit is
> set to XXX, and, in such a case, revert-buffer binds
> coding-system-for-read to XXX to respect your decision made
> by (1).
> 
> I'm not sure this behavior is a bug.

It isn't.