Blocked revisions 81606 via svnmerge

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  r81606 | mark.dickinson | 2010-05-30 13:12:25 +0100 (Sun, 30 May 2010) | 4 lines

  Issue #5211: Complete removal of implicit coercions for the complex
  type.  Coercion for arithmetic operations was already removed in
  r78280, but that commit didn't remove coercion for rich comparisons.
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