Text Encoding Initiative

The XML Version of the TEI Guidelines

<catRef>

<catRef> (category reference) specifies one or more defined categories within some taxonomy or text typology.
Attributes (In addition to global 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 target="ba c1" scheme="s1"/>
Note

The scheme attribute need be supplied only if more than one taxonomy has been declared
Module Declared in file teihdr2; Core tag sets: enabled when any TEI base is enabled
May occur within textClass
Declaration 
<!ELEMENT catRef %om.RO; EMPTY> 
<!ATTLIST catRef  
      %a.global;
      target IDREFS #REQUIRED
      scheme IDREF #IMPLIED>
See further 5.4.3 The Text Classification

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