Enter the version of the element that you want to compare the selected
version to.
The VOB-relative version-extended path name of the currently
selected version is displayed in the Edit the current version string
to choose another version field. Modify the version number at
the end of the path to select a different version of the element on the same
branch. Modify the branch name and/or version number to select a version of
the element on a different branch. You must enter a version of the same element.