cleanup, docs

site/doc/pages/2_DValue_assign.txt

@@ -20,9 +20,6 @@ return value : none
 :content
 Assignment overloads forward to the matching `set(...)` overloads. They are the normal concise way to write string, number, pointer, `DValue`, and `StringMap` values. Boolean values should use `set_bool()` to avoid overload ambiguity.
 
-```cpp
-DValue value;
-value = "ok";
-value = 42.0;
-context.call["user"] = StringMap{{"name", "Ada"}};
-```
+
+:example
+print("DValue::assign example\n");