--- trunk/TODO	2008/11/19 02:05:15	441
+++ trunk/TODO	2008/11/19 02:08:18	442
@@ -24,6 +24,7 @@
 + version bump [0.19]
 + implement Frey::Session to store class usage
 + implement sort by class usage in Frey::ClassBrowser [0.20]
+- check pipe invocation is valid for next pipe element
 - fix markup return value to return, err.. page object? instead of wantarray which doesn't really work
 - make Mojo real alternative, expect for request
 - implement HTTP::Engine server again