sup              6872 src/decNumber/decNumber.c     Unit *up, *sup;                          // work
sup              6879 src/decNumber/decNumber.c         sup=up;                              // save msu pointer
sup              6889 src/decNumber/decNumber.c           if (count==1 && dn->digits==1) *sup=0;  // here 9 -> 0[.9]
sup              6891 src/decNumber/decNumber.c             *sup=(Unit)powers[count-1]-1;    // here 999.. in msu -> 99..