Firstly, thanks for this software, which is really great. I've been testing it in the hope that I can replace some existing Q&A software I'm using which isn't up to scratch. My test site is at:
Anyway, I'm wondering if I've found an error. When I go to answer a question, I've found that I can enter in my answer text, tab to the recaptcha field and then press 'return' without filling in a recaptcha code. Depending on the situation, I end up at other pages.
When doing this at a question that I've asked, I am redirected to the 'Edit question' page.
When doing this at a question that I didn't ask, I am redirected to the page for writing a comment.
Maybe I'm completely mistaken but this is what seems to be happening for me, anyway.