*
* @throws SchemaReadException if retrieval of any schema fails
*/
public void setUpMainSchema(String schemaUrl, ErrorHandler errorHandler)
throws SAXException, Exception, SchemaReadException {
Schema schema = schemaByUrl(schemaUrl, errorHandler);
if (schemaUrl.contains("html5")) {
try {
assertionSchema = CheckerSchema.ASSERTION_SCH;
} catch (Exception e) {
throw new SchemaReadException(