[elpa] externals/xr updated (2aec9fd -> 8ccace4)

[Mattias Engdegård]

mattiase pushed a change to branch externals/xr.

      from  2aec9fd   Increment version to 1.10; add News section
       new  4b8d3bc   Detect `-' not first or last in [...]
       new  6c1c713   Strengthen ad-hoc [...] check in skip-set parser
       new  0b9979e   Use doc strings instead of comments preceding functions
       new  a49b9b7   Check for repetition of empty-matching expression
       new  33c5400   Suppress false positive in repetition of empty string
       new  8ccace4   Increment version to 1.11


Summary of changes:
 xr-test.el |  21 +++++++++++
 xr.el      | 119 +++++++++++++++++++++++++++++++++++++++++++++++--------------
 2 files changed, 114 insertions(+), 26 deletions(-)