assertionSchema = CheckerSchema.ASSERTION_SCH;
} catch (Exception e) {
throw new SchemaReadException(
"Failed to retrieve secondary schema.");
}
schema = new DataAttributeDroppingSchemaWrapper(schema);
schema = new XmlLangAttributeDroppingSchemaWrapper(schema);
schema = new RoleAttributeFilteringSchemaWrapper(schema);
this.hasHtml5Schema = true;
if ("http://s.validator.nu/html5-all.rnc".equals(schemaUrl)) {
System.setProperty("nu.validator.schema.rev-allowed", "1");