bug#4451: 23.1; EOL problems with vc-diff and cygwin

[Eli Zaretskii]

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Thu, 24 Sep 2009 18:07:08 -0400
> 
> > Any reason not to commit the patch?
> 
> Eli didn't seem convinced about it.  And it may cause poor results
> in other cases as well.  I'm not familiar enough with the issue (which
> seems to be very w32-specific and depend heavily on the particular
> diff.exe tool you use), to make a good judgment call.

What would be good is to investigate the original problem thoroughly
and post the exact reason(s) of the failure.  Reiner, could you perhaps
do that?  I'm afraid I'm too busy with other things lately.

With the precise diagnostics in hand, I'm quite sure we will be able
to find a reliable solution.