Add base value support to bars

[Michael Goffioul]

On 12/19/07, Daniel J Sebald <daniel.sebald at ieee.org> wrote:
> Someone having the most up-to-date, please try something like
>
> x = [0:10];
> y = x;
> bar(x,y,'group');
> bar(x,y,'stack');
>
> The options don't work for me.  (But I haven't the latest version of Octave.)

It's "grouped" and "stacked" (note the "ed" suffix).

Michael.