| A6. This test occurs only on the first pass. If the
| result is exactly 10^LEN, decrement ILOG and divide
| the mantissa by 10. The calculation of 10^LEN cannot
-| be inexact, since all powers of ten upto 10^27 are exact
+| be inexact, since all powers of ten up to 10^27 are exact
| in extended precision, so the use of a previous power-of-ten
| table will introduce no error.
|