# Package org.apache.xerces.impl.dv.dtd

- Class Summary
  Class | Description
  --- | ---
  DTDDVFactoryImpl | the factory to create/return built-in schema DVs and create user-defined DVs
  ENTITYDatatypeValidator | ENTITYDatatypeValidator implements the DatattypeValidator interface.
  IDDatatypeValidator | IDDatatypeValidator - ID represents the ID attribute type from XML 1.0 Recommendation.
  IDREFDatatypeValidator | IDREFDatatypeValidator - represents the IDREFS attribute type from XML 1.0 recommendation.
  ListDatatypeValidator | For list types: ENTITIES, IDREFS, NMTOKENS.
  NMTOKENDatatypeValidator | NMTOKEN datatype validator.
  NOTATIONDatatypeValidator | NOTATIONValidator defines the interface that data type validators must obey.
  StringDatatypeValidator | StringValidator validates that XML content is a W3C string type.
  XML11DTDDVFactoryImpl | the factory to create/return built-in XML 1.1 DVs and create user-defined DVs
  XML11IDDatatypeValidator | IDDatatypeValidator - ID represents the ID attribute type from XML 1.1 Recommendation.
  XML11IDREFDatatypeValidator | IDREFDatatypeValidator - represents the IDREFS attribute type from XML 1.1 recommendation.
  XML11NMTOKENDatatypeValidator | NMTOKEN datatype validator for NMTokens from XML 1.1.

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