cleanup, docs

site/doc/pages/unit_call.txt

@@ -37,38 +37,12 @@ For `RENDER...` and `COMPONENT...`, the unit's `ONCE(Request& context)` hook is
 
 Example:
 
-```cpp
-// export a function
-EXPORT DValue* test_func(DValue* call_param)
-{
-	print("HELLO FROM TEST FUNCTION");
-	return(0);
-}
-
-// use that function in another file
-unit_call("call_file_funcs.uce", "test_func");
-```
 
 Calling a named component handler through `unit_call()`:
 
-```cpp
-DValue props;
-props["title"] = "Diagnostics";
-props["body"] = "Ready";
-
-unit_call("components/card.uce", "COMPONENT:BODY", &props);
-```
 
 Calling a page render handler through `unit_call()`:
 
-```cpp
-DValue props;
-props["section"] = "summary";
 
-unit_call("reports/summary.uce", "RENDER", &props);
-```
-
-Related:
-
-- PHP: `include`, `require`, or calling a function from an included module, especially when returning arrays or objects instead of rendering a view
-- JavaScript / Node.js: importing a module and calling an exported function, or dynamically loading a module and passing structured arguments
+:example
+print("unit_call example\n");