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Let us call subdivision {\it good}, if 1) set corresponding to each symbol isconvex (i.e. interval or (semi)closed interval). 2) If points $A$ and $B$corresponds to the some color and interval $(A,B)$ has discontinuity point,then $f(A)$ and $f(B)$ has different color. Every subdivision can be furtherdivided into good subdivision, old superword can be obtained from new one bygluing letters. Hence in the section ``Equivalence of the set of uniformlyrecurrent words generated by piecewise-continuous transformation to the set ofwords generated by interval exchange transformation'' one can consider onlygood subdivision.

Remark to the paper Describing the set of words generated by interval exchange transformation, posted 15 November 2007