[elpa] externals/mct updated (81b3c3afda -> 6279fa3e7d)

[ELPA Syncer]

elpasync pushed a change to branch externals/mct.

      from  81b3c3afda Fix regression with hidden top cand for Emacs 27
       new  50d5a8fec4 Made mct-edit-completion work regardless of window
       new  cba122cf2d Simplify mct-choose-completion{-no,}-exit
       new  6279fa3e7d Update Acknowledgements


Summary of changes:
 README.org |  6 +++---
 mct.el     | 37 +++++++++++++++++--------------------
 2 files changed, 20 insertions(+), 23 deletions(-)