| <catRef> | (category reference) specifies one or more defined categories
within some taxonomy or text typology. | 
| Attributes: | | target | identifies the categories concerned |  |  | Datatype: IDREFS |  |  | Values: One or more identifiers for <category>  elements
    defined in the current document. |  |  | Default: #REQUIRED |  | scheme | identifies the classification scheme within which the set of
    categories concerned is defined |  |  | Datatype: IDREF |  |  | Values: identifier of the associated <taxonomy>  element. |  |  | Default: #IMPLIED | 
 | 
| Example |     <catRef scheme= S1 target="BA C1"> | 
| Note | The scheme attribute need be supplied only if more than
one taxonomy has been declared | 
| Tagset | auxiliary tag set for TEI headers | 
| Class |  | 
| Filename | teihdr2 | 
| Content: |  | 
| Parents | textClass | 
| Children | [none] | 
| Declaration | <!ELEMENT catRef        - O  EMPTY                              >
<!ATTLIST catRef             %a.global
          target             IDREFS              #REQUIRED
          scheme             IDREF               #IMPLIED       > | 
| See | 5.4.3 |