Mutually Recursive Modules and hi files

OK wise guys, now you've changed (incompatibly) the format of .hi files, how can I rewrite these pre-404 hi-boot files so that they work for 404? Can you summarise the changes?

Re: Looking for TkHaskell

Scott Turner: : A TkHaskell would be useful to me. I found the references leading to Chris [..] For your and other people's information, Chris Dornan has left academia. First of all this'll mean TkHaskell won't be maintained anymore. I'll see what I can do to put it on some website