And thanks again.
I just think two plus icons doing opposite things is strange semiotics. A green tick and a red cross would be more indicative.
And why not have a check list on the Settings form? After all, there is the Yes No for "Allow comments". And quite a few other things.
The switch to student role: I have always had a "dummy student" but had stopped using it because of the new Switch Role to . Thanks again - I'll go back to Plan A.
I realise this is not about HELP but about suggestions for improvement. So you've inspired me now ... see new post.