[elpa] externals/xr updated (2a82e8d -> 2889b88)

[Mattias Engdeg�rd]

mattiase pushed a change to branch externals/xr.

      from  2a82e8d   Increment version to 1.20
       new  647dbaa   Don't complain about (? (+ X))
       new  2889b88   Increment version to 1.21


Summary of changes:
 xr-test.el |  2 ++
 xr.el      | 92 ++++++++++++++++++++++++++++++--------------------------------
 2 files changed, 47 insertions(+), 47 deletions(-)