updated docs

Signed-off-by: Nwusongqing <wusongqing@huawei.com>

en/application-dev/reference/apis/js-apis-xml.md

@@ -329,6 +329,7 @@ that.parse(options);
 
 Defines the XML parsing options.
 
+
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | supportDoctype | boolean | No| Whether to ignore **Doctype**. The default value is **false**.|
@@ -337,7 +338,6 @@ Defines the XML parsing options.
 | attributeValueCallbackFunction | (name: string, value: string)=> boolean | No| Callback used to return **attributeValue**.|
 | tokenValueCallbackFunction | (eventType: [EventType](#eventtype), value: [ParseInfo](#parseinfo))=> boolean | No| Callback used to return **tokenValue**.|
 
-
 ## ParseInfo
 
 Provides APIs to manage the parsed XML information.