ive used some ca (cyanoacrylate, superglue) on mine only in places where i couldnt hold it for long enough to dry, because when it does, theres no resetting the angle you glued it at.
The smoldering comes from the eraction with air. the glue seeps into the pores of the paper and the air causes a reaction that makes a lot of heat and can even burn paper or wood. keep your eyes out of the smoke, it burns for a while.