Duplicate View Command (Shortcut Menu)
You access this command by right-clicking
inside an open file in the Quartus® Prime Text Editor, and then
clicking Duplicate
View.
Allows you to duplicate a Quartus® Prime Text Editor window. Any changes you make in the text editor window appear in the duplicate window, and saving the file saves both windows. The original window title appears as filename:1, and the duplicate window appears as filename:2.