[elpa] externals/mct updated (27c93a4932 -> f6610dd69b)

[ELPA Syncer]

elpasync pushed a change to branch externals/mct.

      from  27c93a4932 Document changes in development version
       new  658666afee Make obsolete a var that should be internal
       new  bd2793e531 Remove out-of-date comment
       new  7df5c4e4a0 Fix Emacs version check for one-column
       new  eb2394372f Minor tweak to mct-backward-updir
       new  d232c964b7 Declare commands as applicable to the region mode
       new  d8c90ea987 Fix otherwise brilliant typo
       new  ab19c21471 Streamline check for {pass,block}list
       new  76986b490f Add another completion category to the sample
       new  ebe554061b Accept nil value for mct-completion-window-size
       new  e8acbe114c Minor refinements to doc strings
       new  7af0a5e65e Rewrite manual to make user options easier to find
       new  f6610dd69b Implement dynamic completion setup


Summary of changes:
 README.org | 442 +++++++++++++++++++++++++++++++++++++++++++++++++++----------
 mct.el     | 187 +++++++++++++++++++-------
 2 files changed, 505 insertions(+), 124 deletions(-)