ColSep                                          (Assignable)

        Contains an optional character string that draws a vertical separator
        to the left of this column if there is another column to the left of
        it.  If no value is supplied for TBColumn:ColSep, the value contained
        in TBrowse:ColSep is used instead.

        oTBCol:ColSep := CHR(32) + CHR(179) + CHR(32)