Blocked revisions 76373 via svnmerge

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  r76373 | mark.dickinson | 2009-11-18 19:33:35 +0000 (Wed, 18 Nov 2009) | 5 lines

  Issue #7117, continued:  Change round implementation to use the correctly-rounded
  string <-> float conversions;  this makes sure that the result of the round
  operation is correctly rounded, and hence displays nicely using the new float
  repr.
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