Fixed #25 (or actually added release notes, fix itself due to defaults change of #411)

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/dataformat/xml/deser/EmptyStringValueTest.java

@@ -5,6 +5,7 @@
 
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 
 public class EmptyStringValueTest extends XmlTestBase
 {
@@ -23,6 +24,14 @@ static class Names {
         public List<Name> names = new ArrayList<Name>();
     }
 
+    // [dataformat-xml#25]
+    static class EmptyStrings25
+    {
+        @JacksonXmlProperty(isAttribute=true)
+        public String a = "NOT SET";
+        public String b = "NOT SET";
+    }
+
     /*
     /**********************************************************
     /* Test methods
@@ -70,4 +79,14 @@ public void testEmptyStringElement() throws Exception
         assertEquals("", bean.text);
 //        assertNull(bean.text);
     }
+
+    // [dataformat-xml#25]
+    public void testEmptyStringFromElemAndAttr() throws Exception
+    {
+        EmptyStrings25 ob = MAPPER.readValue("<EmptyString a=''><b /></EmptyString>",
+                EmptyStrings25.class);
+        assertNotNull(ob);
+        assertEquals("", ob.a);
+        assertEquals("", ob.b);
+    }
 }