[elpa] externals/compat updated (1399e7e98a -> fc9a4f890b)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  1399e7e98a Use should-not
       new  3b3b1fe6f6 Add string-split
       new  fc9a4f890b Comment unused variable in tests


Summary of changes:
 compat-25.el    | 15 ++-------------
 compat-28.el    | 16 ++--------------
 compat-29.el    |  2 ++
 compat-macs.el  | 12 ++++++++++++
 compat-tests.el | 14 ++++++++++----
 compat.texi     |  7 +++++++
 6 files changed, 35 insertions(+), 31 deletions(-)