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Descriptors

A project-version descriptor is a file that defines the contents of the project. For project with name P, the project-version descriptor (or just `descriptor') is called P.prj and is kept at the root of the project directory tree. When you check in a project, the project descriptor indicates what files need to be included, which have keywords that need to be expanded, and from which previous versions of the those files (if any) the working files were derived. A prcs checkin then creates and checks in an updated descriptor file.

The sections below detail the syntax of the project descriptor file and the standard attribute entries that may appear in it.