Cross-hand notation

[bipll]

Hi, list. I'm stuck with a symbol. On a piano staff there's a symbol, looking
like square semibracket, suggesting that the note on a hand's staff should
be played with another hand, actually (don't know how it is called in
English, for, to begin with, I don't know how it is called in Russian). Here
it is, in red:
http://old.nabble.com/file/p28393898/bar.png bar.png 
How should I code it in ly? I was unable to find something alike in the
Reference. Draw it with postscript or what?
Thanks.
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