The Annotate Outline view displays all the versions to which lines occurring in the document belong. In the following example there are lines in the document that belong to the versions /main/1 through /main/5:
The next level below the versions shows a list of line regions belonging to the version. By clicking on a line region the cursor in the Annotate Editor is set to the corresponding position in the document and the line region is selected. By clicking on the arrow symbols you can jump from a selected line region to the next respectively previous line region:
