cleanup, docs

site/doc/pages/xml_decode.txt

@@ -21,32 +21,12 @@ Try the live example in the [XML demo](../demo/xml.uce).
 
 Return shape:
 
-```text
-node["name"] = element name
-node["attrs"] = map of attributes
-node["text"] = text content when non-empty
-node["children"] = list of child element nodes
-```
 
 Example:
 
-```uce
-DValue book = xml_decode("<book id=\"b1\"><title>UCE &amp; XML</title></book>");
-
-book["name"].to_string();                         // book
-book["attrs"]["id"].to_string();                  // b1
-book["children"]["0"]["name"].to_string();        // title
-book["children"]["0"]["text"].to_string();        // UCE & XML
-```
 
 CDATA and numeric entities are folded into text:
 
-```uce
-DValue note = xml_decode("<note><![CDATA[5 < 6]]><symbol>&#x41;&#66;</symbol></note>");
-
-note["text"].to_string();                         // 5 < 6
-note["children"]["0"]["text"].to_string();        // AB
-```
 
 Supported parser features:
 
@@ -61,3 +41,7 @@ Supported parser features:
 Whitespace-only text between child elements is ignored. Mixed non-empty text is concatenated into `node["text"]`.
 
 Malformed XML raises a request-visible runtime error.
+
+:example
+DValue node = xml_decode("<root><name>Ada</name></root>");
+print(node.is_array() ? "xml\n" : "empty\n");