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- Update documentation for Content Utilities in Course Editor.

 \label{About_Symbs}

A symb is the unique name to an instance of a resource used in a course.  For example, say you are using a problem located at /res/domain/user/some.problem. You may want to use this problem multiple times.  Therefore each unique instance the problem is used in your course needs to be identified differently.  When you view the problem in your course, you will notice that pathname to to the problem and its unique identifier, the symb, is listed in the URL.  Although, in the URL the symb has been reformatted to be used appropriately for the web.  Therefore, if you need the symb of a resource for a LON-CAPA application, do not copy and paste it from the URL.  Instead, display the Course Editor menu, and click the ``Content Utilities'' tab, and then click the ``List Resource Identifiers'' link.