March 18, 2014
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 4d7ccff58bae4c815cf4426a2bd34c5aa64bbb44
      https://github.com/D-Programming-Language/phobos/commit/4d7ccff58bae4c815cf4426a2bd34c5aa64bbb44
  Author: Tomoya Tanjo <ttanjo@gmail.com>
  Date:   2014-03-19 (Wed, 19 Mar 2014)

  Changed paths:
    M std/utf.d

  Log Message:
  -----------
  Make std.utf.toUTFz safe and pure


  Commit: 6d244d84f08ac962f510a361cadda1142ffa4b9a
      https://github.com/D-Programming-Language/phobos/commit/6d244d84f08ac962f510a361cadda1142ffa4b9a
  Author: Andrei Alexandrescu <andrei@erdani.com>
  Date:   2014-03-18 (Tue, 18 Mar 2014)

  Changed paths:
    M std/utf.d

  Log Message:
  -----------
  Merge pull request #2023 from tom-tan/safe-pure-std-utf-toUTFz

Make std.utf.toUTFz safe and pure


Compare: https://github.com/D-Programming-Language/phobos/compare/cfa59054b9d7...6d244d84f08a