docs: drop the predecessor comparisons from comments and tests

bin/src/proto/http.rs

@@ -32,7 +32,8 @@ pub fn serve(listener: &Listener, mut stream: TcpStream) -> Result<()> {
     if !version.starts_with("HTTP/1.") {
         return bad_request(&mut stream);
     }
-    // Origin-form only. smolweb's `urlsplit` would have mishandled the others.
+    // Origin-form only; the other request-target forms are refused, not
+    // half-supported.
     if !target.starts_with('/') {
         return bad_request(&mut stream);
     }
@@ -168,8 +169,8 @@ pub fn serve(listener: &Listener, mut stream: TcpStream) -> Result<()> {
             write_head(&mut stream, 200, "OK", media_type, meta.len(), &[])?;
             if !head_only {
                 let mut file = std::fs::File::open(&path)?;
-                // Streamed, not buffered: smolweb reads the whole file into
-                // memory on every request.
+                // Streamed, not buffered, so a large file costs the copy buffer
+                // rather than its own size on every request.
                 std::io::copy(&mut file, &mut stream)?;
             }
             Ok(())