I made two new screencasts showing a small domain-specific debugger for SUnit and one for PetitParser.

https://vimeo.com/83017763 - SUnit

https://vimeo.com/83017762 - PetitParser

There is also an older one for announcements (https://vimeo.com/83020584).

The debuggers were created using the GTDebugger a.k.a. the "moldable debugger" framework

Cheers,

Andrei