[elpa] externals/mct updated (a512ebae2a -> 3deaa120e0)

[ELPA Syncer]

elpasync pushed a change to branch externals/mct.

      from  a512ebae2a Fix potential mct-region-mode + corfu-mode clash
       new  7c27d890de Minor doc string update
       new  2ae90387c6 Update manual about MCT's goal; Vertico comparison
       new  307a70adc2 Minor tweaks to the manual
       new  8a444a6b13 Rewrite manual for mct-region-mode
       new  3deaa120e0 Fix highlighting for completions-format


Summary of changes:
 README.org | 212 ++++++++++++++++++++++++++++++++++++++++---------------------
 mct.el     |  12 +++-
 2 files changed, 147 insertions(+), 77 deletions(-)