Add back a documentation warning from the old BrowserView.

diff --git a/UICaboodle/BrowserView.mm b/UICaboodle/BrowserView.mm
index 705c7e176d7f11c85866e069e6f8450f1992b196..d73bca930b70473d3721cf7eafe5881b793d68b7 100644 (file)
--- a/UICaboodle/BrowserView.mm
+++ b/UICaboodle/BrowserView.mm
@@ -933,6 +933,8 @@ static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *se
         [document setTileSize:CGSizeMake(320, 500)];
 
         [document setBackgroundColor:[UIColor clearColor]];
+
+        // XXX: this is terribly (too?) expensive
         [document setDrawsBackground:NO];
 
         WebView *webview([document webView]);