cleanup, docs

site/doc/pages/split_http_headers.txt

@@ -18,12 +18,9 @@ For a request line, the returned map includes fields such as `REQUEST_METHOD`, `
 
 Example:
 
-```uce
-StringMap h = split_http_headers("GET /demo.uce?x=1 HTTP/1.1\r\nHost: example.test\r\n\r\n");
-// h["REQUEST_METHOD"] == "GET"
-// h["SCRIPT_NAME"] == "/demo.uce"
-// h["QUERY_STRING"] == "x=1"
-// h["HTTP_HOST"] == "example.test"
-```
 
 Most page code should read `context.params` instead. Use this helper when parsing raw HTTP text in tests or protocol helpers.
+
+:example
+StringMap headers = split_http_headers("Host: example.test\r\nUser-Agent: uce\r\n");
+print(headers["Host"], "\n");