Validating NVDL Schema Documents
By default, NVDL schema files are validated as you type. To change this, open the Preferences dialog box , go to , and disable the Enable automatic validation option.
To validate an NVDL schema document manually, select the  Validate action from the
Validate action from the
             Validation toolbar drop-down menu or the  menu. When
            Oxygen XML Author validates an NVDL schema file, it expands all the included modules so
            the entire schema hierarchy is validated. The validation problems are highlighted
            directly in
            the editor, making it easy to locate and fix any issues.
Validation toolbar drop-down menu or the  menu. When
            Oxygen XML Author validates an NVDL schema file, it expands all the included modules so
            the entire schema hierarchy is validated. The validation problems are highlighted
            directly in
            the editor, making it easy to locate and fix any issues.
         
