Re: psql autocompletion for \z and \dg

On ons, 2010-10-20 at 22:56 -0400, Josh Kupershmidt wrote:
> It looks like psql's tab completion for the \z and \dg commands in
> psql are missing. I couldn't see a reason for this, so attached patch
> fixes.
> 
> Also, this patch proposes to change psql's "\?" help text to say that
> \dg and \du are the same, since AFAICT they do exactly the same thing.

Committed with slight variations.  I didn't think documenting \du as
"same as \dg" added much value, so I just made them both "list roles".