[elpa] externals/compat updated (6456fc613d -> 8e940a3460)

[ELPA Syncer]

elpasync pushed a change to branch externals/compat.

      from  6456fc613d README: Mention GNU ELPA repository
       new  b93bd2ec4b Update NEWS
       new  99ed1d9b67 compat-29: Add keymap--check helper, add test
       new  8e940a3460 compat-27: Fix dolist-with-progress-reporter


Summary of changes:
 NEWS.org        |  4 ++++
 compat-27.el    |  2 +-
 compat-29.el    | 25 +++++++++++--------------
 compat-tests.el |  5 +++++
 4 files changed, 21 insertions(+), 15 deletions(-)