> gvpr -f markpath.g -a "ex 64168128 64167936" < qt-thing/qt.package.dot
> : qt-acw.dot

Can you explain the two magic numbers?  I'm not sure what you mean with "seed
nodes".

That said, I think it's a great idea.  Could we go even more interactive with an
interface that filter the graph "live", e.g. some HTML+js web page?

Someone must have done that before...
-- 
Pierre Neidhardt