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Chapter 5. Application Developer XML Tools 85
Figure 5-4 Pop-up on DTD file in the Outline view
Validating DTD
Another useful feature of the DTD editor is the incremental validation feature. At
any point during your development of a DTD, you can invoke the Validate process
to validate the DTD. Just right-click on the file name in the Navigator view, and
select Validate DTD option. In addition to the manual invocation of the validation
process, the validation is also automatically run when you save the document, or
when you finish typing in the Source view (as indicated by switching focus to a
different view). Any validation errors will be reported in the Task view with a little
red marker for the corresponding line in the Source view and the corresponding
object in the Outline view.
5.2.3 XSD editor
An XML Schema editor is a tool for creating, viewing, and validating XML
Schemas. You can use the XML Schema editor to perform tasks such as creating
XML Schema components, importing and viewing XML Schemas.
Creating a schema from scratch
In this section, we show how to create a new XML Schema. To create a new
schema from scratch, use the New XML Schema wizard as follows:
Select File—>New—>Project—>Simple —>Project to bring up the New
Project wizard to create a simple project.
Select File—>New—>XML Schema to launch the New XML Schema wizard.
In the File name field, type your schema file name.
Click Finish. The schema file is created and the XML Schema Editor is
automatically opened for you, as shown in Figure 5-5 on page 86.