# Package org.apache.xerces.impl.dtd

- Interface Summary
  Interface | Description
  --- | ---
  XMLContentSpec.Provider | Provides a means for walking the structure built out of content spec "nodes".
  XMLDTDValidatorFilter | Defines a DTD Validator filter to allow components to query the DTD validator.

- Class Summary
  Class | Description
  --- | ---
  DTDGrammar | A DTD grammar.
  DTDGrammar.QNameHashtable | A simple Hashtable implementation that takes a tuple (String, String) as the key and a int as value.
  DTDGrammarBucket | This very simple class is the skeleton of what the DTDValidator could use to store various grammars that it gets from the GrammarPool.
  XML11DTDProcessor | This class extends XMLDTDProcessor by giving it the ability to parse XML 1.1 documents correctly.
  XML11DTDValidator | This allows the validator to correctlyhandle XML 1.1 documents.
  XML11NSDTDValidator | The DTD validator.
  XMLAttributeDecl |
  XMLContentSpec | ContentSpec really exists to aid the parser classes in implementing access to the grammar.
  XMLDTDDescription | All information specific to DTD grammars.
  XMLDTDLoader | The DTD loader.
  XMLDTDProcessor | The DTD processor.
  XMLDTDValidator | The DTD validator.
  XMLElementDecl |
  XMLEntityDecl |
  XMLNotationDecl |
  XMLNSDTDValidator | The DTD validator.
  XMLSimpleType |

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