[elpa] externals/xr updated (8912612 -> dec9a2e)

[Mattias Engdegård]

mattiase pushed a change to branch externals/xr.

      from  8912612   Fix xr-lint complaint about \[
       new  1b26866   Warn about repetition of repetition
       new  dec9a2e   Don't warn about \]


Summary of changes:
 xr-test.el |  6 +++++-
 xr.el      | 18 ++++++++++++++++--
 2 files changed, 21 insertions(+), 3 deletions(-)