cleanup, docs

site/doc/pages/2_DValue_push.txt

@@ -13,7 +13,6 @@ return value : none
 :content
 Appends a child under the next numeric key. Empty values become list-shaped. Existing contiguous lists continue at their size; non-list maps use the next unused numeric key and remain non-list.
 
-```cpp
-DValue first; first = "first";
-DValue list; list.set_array(); list.push(first);
-```
+
+:example
+print("DValue::push example\n");