Ability to Create Optional Assignments?

I imagine that this is possible, I'm just not sure how to do this.  I would like to have a variety of assignments (some including discussion board posts) where students receive points for part...

Keyboard Shortcuts in the Pretty HTML Editor

Apologies if this has been asked elsewhere, but in trying out the new "Pretty HTML" feature, I have been unable to paste text using keyboard shortcuts.  So, my questions are as follows:  ...