View Single Doc within Multiple Tabs?

[CelloGuy]

I have found it useful in other applications (such as Notepad++) to be able to view a single document - especially a long one - in multiple tabs, in order to see one portion of the document while working on a different, but related, portion of the text...or to be able to grab a portion of text from one place and paste it in a second area of the full text.

Even better if there's a way to view both tabs side-by-side...and also helpful to have zoom control over each tab, so they aren't required to be viewed at the same magnification.

Is this possible?

(if not, definitely a feature request)