Gmail does this all the time, and it makes me mad. I just sort out some mails to have my empty inbox, and then close the browser tab. And it says that the chang

Gmail does this all the time, and it makes me mad. I just sort out some mails to have my empty inbox, and then close the browser tab. And it says that the changes haven't been saved, so I need to deal with the popup, and then close the browser tab again...