Select menu XML → Validate document (Ctrl+Shift+V) or click the button Validate document available in the Validate toolbar to return an error result-list in the Message panel. Mark-up of current document is checked to conform with the specified DTD, XML Schema or Relax NG schema rules. It caches the schema and the next execution of the action uses the cached schema.

Select menu XML → Reset cache and validate or click the button Reset cache and validate available in the Validate toolbar to reset the cache with the schema and validate the document. It returns an error result-list in the Message panel. Mark-up of current document is checked to conform with the specified DTD, XML Schema or Relax NG schema rules.

Select menu XML → External Validation (Ctrl+Shift+H) or click the button External validation available in the Validate toolbar to display the External Validation dialog, used to select the external schemas (XML Schema, DTD, Relax NG, NRL, NVDL, Schematron schema) and to execute the Validation operation on the current document using the selected schemas. Returns an error result-list in the Message panel. Mark-up of current document is checked to conform with the specified schemas rules.

Figure 4.29. The External validation dialog

Select contextual menu of Navigator or Package Explorer view, Batch Validation → Validate to validate all selected files with their declared schemas.

Select contextual menu of Navigator or Package Explorer view, Batch Validation → Validate With ... to select a schema and validate all selected files with that schema.

XML → Clear validation markers (Ctrl+Shift+K) or click the toolbar button Clear validation markers to clear the error markers added to the Problems view at the last validation of the current edited document.