You may also have to remove source files from a SNiFF+ project in the course of your day-to-day development work. When you remove a file from a project, the file is not physically deleted; SNiFF+ simply edits the PDF, which means it must be writable (checked out). To make the PDF available to the rest of the team, you have to check in the PDF again.
To show how the process of removing files works, let's now remove