Just because you have a screen that can display an enourmously long line of text, it doesn't mean that text is going to be readable. Or that you want to use th

Just because you have a screen that can display an enourmously long line of text, it doesn't mean that text is going to be readable. Or that you want to use the whole width of your screen for displaying unreadable text. Lines longer than 100 chars are very rare in readable code. And it is easy to break lines down to 80 or even 72. If you do that, then it becomes easy to place two windows of good sized text side-by-side.