PATCH: exttended extending extend

[Philip Underwood]

On Fri, 2004-12-10 at 19:52, John Pybus wrote:
> Olly Betts wrote:
> 
> > [SNIP]    Phil's [patch] provided the ability to flip the direction
> > rather [than] explicitly specifying left and right.  I think both approaches
> > are useful to have.
> 
> So do I.  I almost added a *eswap command first time round -- it's easy 
> enough on top of my changes -- but didn't as I wasn't using it, and it 
> only meant adding more parsing code and messages.  However, it was only 
> 10 mins effort so here's an updated patch.
> 
> *eswap works just as *eleft and *eright but swaps the extension direction.
> 
> It hasn't had a huge amount of testing, but isn't a very complex change 
> from the first patch.

This looks a bit more finished than my patch, which frankly was done in
an afternoon after a particularly blinding hangover. Suggest we go with
John's patch. I'm happy now there's a *eswap command.

Phil