It's happening onMouseUp. Trying to copy the headline triggers that (after selecting the text), or simply clicking on it. It seems the div has the same functio

It's happening onMouseUp. Trying to copy the headline triggers that (after selecting the text), or simply clicking on it. It seems the div has the same functionality as the X button. I assumed it was a mistake, but it's been so long now I wonder if it's intentional.