Sentence discussions in lessons blocked

I'm using All Scripts via Greasemonkey 3.2 on Firefox 38.0.5, and it seems to be disabling sentence discussions in lessons. What's going on here?

[AvremelM]

@4of92000 Does this occur only when reviewing lessons, or also on the current lesson?

Both.

On Thu, Jun 11, 2015 at 10:28 AM, HodofHod notifications@github.com wrote:

@4of92000 https://github.com/4of92000 Does this occur only when
reviewing lessons, or also on the current lesson?

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#7 (comment).

If you spend all of your time arguing with people who are nuts, you'll be
exhausted and the nuts will still be nuts.
--Dilbert

Never argue with an idiot. They drag you down to their level.
--Dilbert