[PATCH] Make 'dif' and alias for 'diff'

[Martin Pool]

On  9 Jun 2005, Michael Ellerman <michael at ellerman.id.au> wrote:
> Hi Martin,
> 
> Despite trying to reprogram myself I still *consistently* type 'bzr dif' - 
> which doesn't work.
> 
> This patch would make my life a lot easier :D

OK, added. 

In general I don't want too many aliases, but I don't suppose "dif"
would ever meaning anything else.

-- 
Martin