[Uml-user] use case "step into"

[Luis De la Parra Blum]

On Wednesday 26 February 2003 15:00, Wolfram Kriesing wrote:
> specify more in detail. is there some kind of "step into". which works
> like double clicking a use-case and getting a level deeper into it?

I've been thinking of this for a while now. 
The same would be great for activity diagrams --> you can insert a complete 
diagram as one activity in another diagram, double clicking on it navigates 
to the sub-activities.

luis