This attribute holds a keyword from a small set of options that identifies the primary audience for the material in the section, including such categories as "Librarian" and "Undergraduate". If used, the secondaryaudience attribute may be used too, and when that attribute is used, the keywords in the two attributes must differ:

primaryaudience="Consumer" secondaryaudience="Librarian"

Defined in shared attribute group: "Section Attributes"

This attribute is not required. The allowed values are "Researcher", "Professional", "Librarian", "Educator", "Non-specialist", "Undergraduate" and "Consumer".

The DTD contains the following attribute definition (note that embedded links are to definitions within the DTD page of this guide):

                primaryaudience          (Researcher | Professional | Librarian | Educator | 
                                          Non-specialist | Undergraduate | Consumer)  #IMPLIED