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  JUSTIFICATION: Reference 2 and reference 3 say: "Page 772, C.16, Standard arithmetic, second paragraph, item 3 talks about accuracy of exponentiation and item 8 talks about portable results; neither matches the specification on page 125 for exponentiation, where results are defined for positive exponents 1, 2, 3, and 4 and for any negative exponent. 
  There are likely to be cases where exponentiation to a negative exponent does not exactly tie to the corresponding positive exponent. 
  Item 3 should be structured like item 2, with implementordefined results for negative exponents other than 1, 2, 3, and 4. 
 www.ncits.org /tc_home/j4htm/m233/010551.doc (401 words) 
