Exception when parsing empty string

[GoogleCodeExporter]

What steps will reproduce the problem?
1. create the java Class
package experiment;
import java.util.Map;
import com.json.parsers.JSONParser;
import com.json.parsers.JsonParserFactory;

public class Dummy {
    public static void main(String[] args) {

        JsonParserFactory factory=JsonParserFactory.getInstance();
        JSONParser parser = factory.newJsonParser();
        String strJSONtoParse = "{\"id\":\"[EMPTY]\",\"AN_Response\":\"\"}";
        System.out.println("Parsing of : " + strJSONtoParse);
        Map mapModel = parser.parseJson(strJSONtoParse);
        System.out.println("Empty String : '" + mapModel.get("AN_Response")+"'");
    }
}

2.  Run the Class (execute "main()")

What is the expected output? What do you see instead?
>>expected output console:
Parsing of : {"id":"[EMPTY]","AN_Response":""}
Empty String : ''
>> what I see
Parsing of : {"id":"[EMPTY]","AN_Response":""}
Exception in thread "main" com.json.exceptions.JSONParsingException: 
@Key-Heirarchy::root/   @Key::AN_Response   Value is expected but found 
empty...@Position::32
    at com.json.utils.JSONUtility.handleFailure(JSONUtility.java:124)
    at com.json.parsers.JSONParser.stringLiteralTemplate(JSONParser.java:580)
    at com.json.parsers.JSONParser.nonValidatingValueTemplate(JSONParser.java:698)
    at com.json.parsers.JSONParser.parseValue(JSONParser.java:377)
    at com.json.parsers.JSONParser.parseKeysValues(JSONParser.java:254)
    at com.json.parsers.JSONParser.parseJsonBody(JSONParser.java:232)
    at com.json.parsers.JSONParser.parseJsonBlock(JSONParser.java:212)
    at com.json.parsers.JSONParser.parseJson(JSONParser.java:139)
    at experiment.Dummy.main(Dummy.java:20)



What version of the product are you using? On what operating system?
OS : OpsenSUSE linux 12.3 x86_64
jdk : 1.7.0_40
Eclipse : Luna build id: 20131113-1838
quickjson : 1.0.2.3

Please provide any additional information below.
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Original issue reported on code.google.com by [email protected] on 17 Dec 2013 at 8:48