[elpa] externals/xr updated (dec9a2e -> 127d3fe)

[Mattias Engdegård]

mattiase pushed a change to branch externals/xr.

      from  dec9a2e   Don't warn about \]
       new  5318a94   Eliminate duplicated \ in character alternatives
       new  3c1344b   Don't warn about repetition of counted repetition
       new  127d3fe   Escape control characters in warnings and errors


Summary of changes:
 xr-test.el | 12 ++++----
 xr.el      | 92 ++++++++++++++++++++++++++++++++------------------------------
 2 files changed, 55 insertions(+), 49 deletions(-)