Pushed a fix for both issues to trunk now. For the moment, I'm ignoring gtk.Builder names which end in a digit. Added your toy example slightly modified to the test suite, and it also seems to work on your zeroinstall GUI as well from my testing.
Pushed a fix for both issues to trunk now. For the moment, I'm ignoring gtk.Builder names which end in a digit. Added your toy example slightly modified to the test suite, and it also seems to work on your zeroinstall GUI as well from my testing.