[phobos] [D-Programming-Language/phobos] 7e766e: Replace a bunch of SUP with SUPERSCRIPT

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 7e766e6796a494de5a55c11d106889b47c303eff
      https://github.com/D-Programming-Language/phobos/commit/7e766e6796a494de5a55c11d106889b47c303eff
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2015-01-06 (Tue, 06 Jan 2015)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  Replace a bunch of SUP with SUPERSCRIPT