Jump to next unmatched square brackets?

[Tim Chase]

I occasionally use the

        ])
        ]}
        [{
        [(
family of commands to jump to the associated unmatched 
paren/brace.  However, I haven't found any such functionality for 
square brackets.  Have I just overlooked something?  I know that 
the "]]" command goes to the next code-block, so the command I 
would normally guess is already taken.  Is there something 
similar for square brackets that I've missed?  Or some way to 
compose such a command easily?

Thanks,

-tim