June 04, 2016
  Branch: refs/heads/master
  Home:   https://github.com/dlang/druntime
  Commit: b4d31630f3fccbd7731d2feb08baeee66e33d2b0
      https://github.com/dlang/druntime/commit/b4d31630f3fccbd7731d2feb08baeee66e33d2b0
  Author: anonymous <aG0aep6G@users.noreply.github.com>
  Date:   2016-05-29 (Sun, 29 May 2016)

  Changed paths:
    M src/core/time.d

  Log Message:
  -----------
  XREF -> REF

Done by:

sed -i -r 's/\$\(XREF\s+([^(),]*),\s*([^(),]*)\)/$(REF \2, std,\1)/g' \
src/core/time.d

Confirmed that there are no other instances of XREF with `grep -r '$(XREF'`
(no hits).


  Commit: 11c1c5741cb8eee96ca11cb188b939bdcf980930
      https://github.com/dlang/druntime/commit/11c1c5741cb8eee96ca11cb188b939bdcf980930
  Author: Dmitry Olshansky <dmitry.olsh@gmail.com>
  Date:   2016-06-04 (Sat, 04 Jun 2016)

  Changed paths:
    M src/core/time.d

  Log Message:
  -----------
  Merge pull request #1580 from aG0aep6G/kill-xref

Ddoc: Replace XREF with REF


Compare: https://github.com/dlang/druntime/compare/c58585a9429c...11c1c5741cb8