Now you only see the filename instead of a relative path so 'main.js' which is a what extensions are named are no indistinguishable from each other until you click on the filename to get its path.  We had to do something like this for Dreamweaver because index.html is a common name so there may be several of them in various folders and it becomes difficult to tell which one is open.  Maybe there is some other way XD would like to represent this?