[elpa] externals/mct updated (3c64d4e17f -> dea21e4701)

[ELPA Syncer]

elpasync pushed a change to branch externals/mct.

      from  3c64d4e17f Fix symbol in manual's sample Avy code
       new  35384917af Add prototype for continuous input
       new  7ebf1826b5 Put "continuous input" code in its own file
       new  b97eb2a2e6 Update mct-tcm doc strings
       new  8ac051b52d Reorganise mct-tcm.el; read shifted keys
       new  a551ab0fdb Require mct library
       new  038ff66a54 Refine mct-tcm interaction model
       new  2028e464b6 Reword mct-tcm Commentary
       new  79416f1ca8 Fix indentation
       new  8ee4e6d799 Set mct-live-completion to non-nil, not visible
       new  f9394ede61 Add FIXME for weird Emacs 27 bug
       new  3193a95c30 Simplify &rest in private function
       new  cf9af9118a Remove superfluous 'declare-function'
       new  d55400b6b1 Improve mct-tcm documentation
       new  9e11607409 Minor rewording
       new  4e425dfaef Avoid mct-tcm interaction with completion-at-point
       new  1d254a0bb7 Handle backspace or DEL in mct-tcm
       new  bd105cc7b4 Handle C-DEL and M-DEL in mct-tcm
       new  6b6b9c3a9f Require subr-x only at compile time
       new  894a6ccc84 Require seq library in mct-tcm
       new  973ab321a8 Add FIXME for Emacs 27
       new  b37bdeb0bf Move mct-tcm.el to "extensions" directory
       new  e50b222fdf Merge branch 'experiment-continuous-input'
       new  dea21e4701 Warn about mct extensions directory


Summary of changes:
 README.org            |  14 +++++-
 extensions/mct-tcm.el | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 extensions/mct-tcm.el