In a DTD, elements are declared with an ELEMENT declaration. Declaring Elements In a DTD, XML elements are declared with an element declaration with the following syntax: <!ELEMENT element-name category> or <!ELEMENT element-name (element-content…
Contents How to read the HTML DTD 1. DTD Comments 2. Parameter Entity definitions 3. Element declarations . Content model definitions 4. Attribute declarations . DTD entities in attribute definitions . Boolean attributes How to read the HTML DTD Each…
The main building blocks of both XML and HTML documents are elements. The Building Blocks of XML Documents Seen from a DTD point of view(从dtd的角度来看), all XML documents (and HTML documents) are made up by the following building blocks: Elements Attribu…
A Document Type Definition (DTD) defines the legal building blocks of an XML document. It defines the document structure with a list of legal elements and attributes. A DTD can be declared inline inside an XML document, or as an external reference. I…
The purpose of a DTD (Document Type Definition) is to define the legal building blocks of an XML document. A DTD defines the document structure with a list of legal elements and attributes.…