Created attachment 586882 [details]
###!!! ASSERTION: aRoot not an ancestor of |this|?: 'cur', file nsINode.h, line 1176
Created attachment 586884 [details]
This is bad; this can lead to a null-deref crash....
Created attachment 587417 [details] [diff] [review]
Comment on attachment 587417 [details] [diff] [review]