Hi David,
I've been working in workshop restore and already have sent to CVS:
- main restore stuff.
- workshopform->accumulative subplugin stuff
- workshopeval->best subplugin stuff
And it seems to be working perfectly in my tests, yay!
So, these are pending:
- workshopform->comments
- workshopform->numerrors
- workshopform->rubric
I hope they won't be difficult at all having the accumulative example already done. I will be out next 2 weeks so it would be great if you can implement them. I'll connect intermittently, so feel free to email/jabber me.
Also, note I detected the accumulative backup subplugin was missing one "scale" annotation, so perhaps other subplugins also using scales are missing such annotation. Please review that.
And that's all, ciao 
Bulk-assigning 15 Workshop bugs to David M