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DTD is described in W3C XML 1.0 standard
. In this tutorial basic DTD features are demonstrated on many examples.
The XML document type declaration contains or points to markup declarations that provide a grammar for a class of documents. This grammar is known as a document type definition, or DTD. The document type declaration can point to an external subset (a special kind of external entity) containing markup declarations, or can contain the markup declarations directly in an internal subset, or can do both. The DTD for a document consists of both subsets taken together.
For translations go to the original Zvon tutorial
. Zvon UNICODE reference
can be used to check if a character can be used in names of XML elements and attributes.
Prepared by: Miloslav Nic (Mila)