Annotations provides documentation information, as well as additional application information : Annotation « XML Schema « XML Tutorial






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  3. Annotation
<annotation id="unique identifier"> 

The <annotation> declaration can appear as a child of most XML Schema declarations. 
The <annotation> declaration adds two forms of information to your declarations:

Application information 
Documentation information 

Each <annotation> declaration may contain the elements <appinfo> and <documentation>. 
These elements may contain any XML content from any namespace. 
Each of these elements may also contain a source attribute. 
The source attribute is used to refer to an external file that may be used for application information or documentation information. 
Annotations usually include <documentation> declarations to describe the features, or uses, of a particular declaration within the XML Schema.








3.82.Annotation
3.82.1.Annotations provides documentation information, as well as additional application information
3.82.2.Annotating Schemas: add information about your schema or its elements.
3.82.3.Annotations for element tags