[elpa] externals/mct updated (57150cbd19 -> 664e682381)

[ELPA Syncer]

elpasync pushed a change to branch externals/mct.

      from  57150cbd19 Add documentation about our key remap practice
       new  b3cdfa4852 Document workaround for global-hl-line-mode
       new  664e682381 Fix typo in previous commit


Summary of changes:
 README.org | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)