On Wed, 2016-01-06 at 12:22 +0100, aitor_czr wrote:
> Hi Edward,
>
> 
> > What is wrong? I opened the patch with medit to view the offending
> > characters. In case understanding the cause of this issue an unjustied
> > long time, I can always apply the patch manually by editing text
> > directly.
> >
> > Edward
> >
>  *trailing whitespace*
>
> I think there are white spaces in the patch, instead of tab keys.
> As Rainer said, copy 'n' paste is not always valid.

In emacs
<esc>-x<ret>
delete-trailing-whitespace