Reply doesn't work consistently under a block.

Got blocked by another user and a third user asked me why I think I was blocked under my last reply to the user that blocked me.

I tried to answer but while I could open the reply window the (send) Reply button didn't do anything but close the reply window. No error message either.

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Note: I personally think the block feature is implented terribly in general. It shouldn't do anything besides hide the blocked poster from the one doing the blocking, hiding the blockee from the blocked and disabling replies has little useful utility and much potential for abuse.

EDIT: It also makes the blocking very obvious to the one being blocked, which doesn't suit the concept too well.