[racket] raco scribble disappeared?

Is "raco scribble" supposed to work?  It works in my old 5.2.1 install 
tree, but not in my patched 5.2.1 install tree from the other day.  I 
don't see it in the documentation.

> $ /usr/local/racket-5.2.1/bin/raco scribble
> raco scribble: expects <file> [<another-file>] ... on the command 
> line, given 0 arguments
>
> $ /usr/local/racket-5.2.1-patch1/bin/raco scribble
> /usr/local/racket-5.2.1-patch1/bin/raco: Unrecognized command: scribble
>
> Usage: raco <command> <option> ... <arg> ...
> [...]


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