       1mcrange 4m22mstring24m 4mfirstExpr24m 4mlastExpr0m
              Returns  a range of characters from 4mstring24m starting at the char-
              acter indexed by the expression 4mfirstExpr24m (zero-based) until the
              character indexed by the expression 4mlastExpr24m.

              If  the  expression 4mfirstExpr24m or 1mlastExpr 22mstarts with the string
              1mend22m, then 1mend 22mis replaced with the index of the  last  character
              in  the  string.  If the expression starts with 1mlen22m, then 1mlen 22mis
              replaced with the length of the string.

              This command is UTF-aware.
