Default newline node to skip parsing of nested nodes

Author: nieqiurong

src/main/java/org/apache/ibatis/scripting/xmltags/XMLScriptBuilder.java

@@ -80,6 +80,9 @@ protected MixedSqlNode parseDynamicTags(XNode node) {
       XNode child = node.newXNode(children.item(i));
       if (child.getNode().getNodeType() == Node.CDATA_SECTION_NODE || child.getNode().getNodeType() == Node.TEXT_NODE) {
         String data = child.getStringBody("");
+        if (data.trim().isEmpty()) {
+          continue;
+        }
         TextSqlNode textSqlNode = new TextSqlNode(data);
         if (textSqlNode.isDynamic()) {
           contents.add(textSqlNode);