[elpa] externals/compat updated (c54da55ad8 -> 2514d35259)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  c54da55ad8 Update manual, decoded-time-period is supported
       new  8c66839789 compat-28: Add make-separator-line
       new  2c0037a762 Update news
       new  4282822d77 Remove unnecessary declare-function
       new  2514d35259 alist-get: Minor cleanup


Summary of changes:
 NEWS.org        |  3 +++
 compat-26.el    |  3 +--
 compat-27.el    |  1 -
 compat-28.el    | 15 +++++++++++----
 compat-tests.el |  7 +++++++
 compat.texi     |  7 +++++--
 6 files changed, 27 insertions(+), 9 deletions(-)