cleanup, docs

site/doc/pages/1_COMPONENT.txt

@@ -37,19 +37,6 @@ When you call `component(":NAME", props, context)` or `component_render(":NAME",
 
 ## Example
 
-```cpp
-COMPONENT(Request& context)
-{
-    <><section><?: component(":BODY", context.props, context) ?></section></>
-}
 
-COMPONENT:BODY(Request& context)
-{
-    <><p><?= context.props["body"] ?></p></>
-}
-```
-
-## Related Concepts
-
-- PHP: view partials, reusable include files, small template helpers, and server-side component-like rendering patterns
-- JavaScript / Node.js: reusable component functions, React or Vue components, and server-rendered partials
+:example
+print("COMPONENT is a unit directive; place it at top level in a .uce unit.\n");