[elpa] externals/xr updated (6d27d53098 -> 74906f6d10)

[Mattias Engdegård]

mattiase pushed a change to branch externals/xr.

      from  6d27d53098 Run github tests with Emacs 28.1
       new  6d02ab45b6 Recognise implicit gap in ASCII-raw ranges
       new  74906f6d10 Increment version to 1.23


Summary of changes:
 xr-test.el |  24 ++++++--
 xr.el      | 181 ++++++++++++++++++++++++++++++++++++-------------------------
 2 files changed, 126 insertions(+), 79 deletions(-)