[elpa] externals/diff-hl updated (1335389 -> c9dbc89)

[ELPA Syncer]

elpasync pushed a change to branch externals/diff-hl.

      from  1335389   Add diff-hl-show-hunk-stage-hunk and the buttons
       new  ce16c13   New command: diff-hl-unstage-file
       new  401e2d1   Add more docu
       new  c9dbc89   Mention a magic keyword


Summary of changes:
 README.md  |  7 +++++--
 diff-hl.el | 25 ++++++++++++++++++++++---
 2 files changed, 27 insertions(+), 5 deletions(-)