- StringBuffer buf = new StringBuffer();
- buf.append(Utils.indent(level) + "<" + topLevelElement + ">\n");
- buf.append(Utils.indent(level+1) +
- "<" + valueElement + ">" + Utils.xq(base) +
- "</" + valueElement + ">\n");
+ StringBuilder buf = new StringBuilder();
+ buf.append(indent(level)).append("<").append(topLevelElement).
+ append(">\n").append(indent(level + 1)).append("<").
+ append(valueElement).append(">").append(xq(base)).append("</").
+ append(valueElement).append(">\n");