Additional fix for bug #44, as well as test code.

Author: pdvrieze

serialization/src/commonTest/kotlin/nl/adaptivity/xml/serialization/testClasses.kt

@@ -0,0 +1,7 @@
+
+@XmlSerialName("StringWithMarkup", "http://pubchem.ncbi.nlm.nih.gov/pug_view", "")
+@Serializable
+data class StringWithMarkup(
+    @XmlElement(true) @SerialName("String") val string: String = "",
+    val markup: List<String> = emptyList()
+                           )