ximum-before and the maximum-after range arguments
    specifed in the uses of the
    <a href="rcvars.html#TSLICE"><tt>$TSLICE$</tt></a> resource
    variable.  For example, if you have <tt>$TSLICE(0;4)$</tt> and
    <tt>$TSLICE(3;3)$</tt> in message layout resources, you should
    set TSLICE to <tt>3:4</tt>.
    </p>
    <p>If you only use <tt>$TSLICE$</tt> once, it is best to
    set options for thread slice formatting via the
    TSLICE resource so you will not have anything to worry about.
    </p>

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