[elpa] externals/xr updated (369800c -> 513e815)

[Mattias Engdeg�rd]

mattiase pushed a change to branch externals/xr.

      from  369800c   Fix doc string mistake
       new  dc6d6e3   Escape control chars in all warnings but not double quote
       new  ccc76c8   More careful character class parsing
       new  513e815   Run with case-fold-search set to nil


Summary of changes:
 xr-test.el | 11 +++++++++++
 xr.el      | 30 +++++++++++++++---------------
 2 files changed, 26 insertions(+), 15 deletions(-)