DTD File Documentation


Overview

Feature Value
File Extension .dtd
Format Type Text
Standard XML
Usage Define document structure
MIME Type application/xml-dtd
Element Declaration Defines elements and relationships
Attribute Declaration Specifies attributes for elements
Entity Declaration Defines reusable content
Notation Declaration Describes non-XML data
External Subsets External references to DTD
Internal Subsets Internal definitions within DTD
Parameter Entities Reusable content in DTD definition
Comments Annotations within DTD
Element Modifiers Defines optional and repetitive elements
Attribute Types Defines data type for attributes
Attribute Defaults Specifies default values for attributes
Public Identifiers Defines public external entities
System Identifiers Defines system-specific external entities
Conditional Sections Include or ignore sections based on parameters
Compatibility Supports XML 1.0