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

[Stefan Monnier]

>>> I think the best solution is to change vc-coding-system-for-diff so that
>>> when it takes the coding system from (with-current-buffer buf
>>> buffer-file-coding-system), it ignores the EOL part of that
>>> coding system.
>>> Does the patch below help?
>> It does help.  Thanks.
> 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.


        Stefan