Purpose

sgml-dtds is a built-in shelf used to store compiled SGML DTDs. These items are created and used as follows:

• Compiling a DTD (using creating with either document or subdocument) assigns an item of the shelf to be the compiled DTD. If the item did not previously exist, it is created.
• Parsing an instance or partial instance (instance or with document-element) uses an item of the sgml-dtds shelf. An item of this shelf can be used any number of times. Items can even be used simultaneously for nested do sgml-parse actions.

The only way of adding items to the sgml-dtds shelf is with the creating option of do sgml-parse. No other item-modifying actions are allowed with the sgml-dtds shelf.

Related Syntax creating do sgml-parse xml-dtds

Related Concepts SGML DTDs: creating

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