[elpa] externals/xr updated (2136a7d -> 2aec9fd)

[Mattias Engdegård]

mattiase pushed a change to branch externals/xr.

      from  2136a7d   Increment version to 1.9
       new  4525d39   Comment cosmetics, and add a README.
       new  7612347   URL to repository and to relint
       new  5b53cc9   Warn about two-character ranges like [*-+]
       new  018a994   Warn about [[:class:]] in skip-sets
       new  2aec9fd   Increment version to 1.10; add News section


Summary of changes:
 README.org | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 xr-test.el |  7 +++++++
 xr.el      | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 3 files changed, 113 insertions(+), 9 deletions(-)
 create mode 100644 README.org