[RFA] Fix "show convenience" test

[Pedro Alves]

On Thursday 17 September 2009 20:25:01, Joseph S. Myers wrote:

> > I hope that means that they'll address it.  :-)  This also prevents
> > mail archives from showing the patch inline.  Compare:
> 
> It's a bug in the mail archiving software if it decides that based on 
> Content-Transfer-Encoding rather than Content-Disposition.

I don't know the mail archiving software's algorithm, but I
sort of disagree, while I do get your point.  Rather, I'd say that
it's a feature that "Content-Disposition: attachment" +
"Content-Transfer-Encoding: 7bit" is displayed inline.

-- 
Pedro Alves