DTD Attributes

Just as you need to define all elements in your DTD, you also need to define any attributes they use. You use the <!ATTLIST> declaration to define attributes in your DTD.

Syntax

You use a single <!ATTLIST> declaration to declare all attributes for a given element. In other words, for each element (that contains attributes), you only need one <!ATTLIST> declaration.

The <!ATTLIST> declaration has the following syntax:


<!ATTLIST element_name
  attribute_name TYPE DEFAULT_VALUE
  attribute_name TYPE DEFAULT_VALUE
  attribute_name TYPE DEFAULT_VALUE
  ...>

Here, element_name refers to the element that you're defining attributes for, attribute_name is the name of the attribute that you're declaring, TYPE is the attribute type, and DEFAULT_VALUE is it's default value.

Example


<!ATTLIST tutorial
  published CDATA "No">

Here, we are defining an attribute called "published" for the "tutorial" element. The attribute's type is CDATA and it's default value is "No".

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	DTD Attributes Just as you need to define all elements in your DTD, you also need to define any attributes they use. You use the <!ATTLIST> declaration to define attributes in your DTD. Syntax You use a single <!ATTLIST> declaration to declare all attributes for a given element. In other words, for each element (that contains attributes), you only need one <!ATTLIST> declaration. The <!ATTLIST> declaration has the following syntax: `<!ATTLIST element_name attribute_name TYPE DEFAULT_VALUE attribute_name TYPE DEFAULT_VALUE attribute_name TYPE DEFAULT_VALUE ...>` Here, element_name refers to the element that you're defining attributes for, attribute_name is the name of the attribute that you're declaring, TYPE is the attribute type, and DEFAULT_VALUE is it's default value. Example `<!ATTLIST tutorial published CDATA "No">` Here, we are defining an attribute called "published" for the "tutorial" element. The attribute's type is CDATA and it's default value is "No". << Previous Lesson Next Lesson >> Enjoy this website? Share Add this page to your Favorites Link to this page (copy/paste into your own website or blog): <a href="http://www.quackit.com/xml/tutorial/dtd_attributes.cfm">DTD Attributes</a> from Quackit.com Link to Quackit using one of these banner ads. Help support Quackit by making a donation Oh, and thank you for supporting Quackit!