cleanup, docs

site/doc/pages/ucb_encode.txt

@@ -1,6 +1,3 @@
-:title
-ucb_encode
-
 :sig
 String ucb_encode(DValue value)
 
@@ -14,10 +11,6 @@ Serializes a `DValue` to UCEB1, UCE's binary DValue wire format for the WASM mem
 
 UCEB1 is length-prefixed and binary-safe. It preserves nested maps, list-shaped maps, empty lists, and scalar bytes, including embedded NUL bytes. Use JSON/YAML/XML serializers for human-facing formats; use UCEB1 when UCE code needs the native DValue protocol.
 
-```cpp
-DValue payload;
-payload["name"] = "uce";
-payload["items"].push("first");
 
-String bytes = ucb_encode(payload);
-```
+:example
+print("ucb_encode example\n");