2 heads but "nothing to merge"

[Harvey Chapman]

On May 16, 2011, at 10:10 AM, Tony Mechelynck wrote:

> I see you already got two answers, but maybe it would be useful to specify a "merge tool" in order to make sure that any differences are resolved in favour of the present code head? IIUC, either
> 
> hg up default
> hg merge -t internal:other code
> hg commit -m 'merge code & default'

What would one have to do to close the "code" branch at the same time in order to have the minimum amount of change to the graph?

Thanks,
Harvey