[elpa] externals/ef-themes updated (21fc1761e8 -> a2dea907c7)

[ELPA Syncer]

elpasync pushed a change to branch externals/ef-themes.

      from  21fc1761e8 Make diff-mode hunk headers stand out a bit more
       new  d93bff7de8 Change a level 1 heading into level 2
       new  c4bb05878d Add documentation on Do-It-Yourself customisations
       new  a2dea907c7 Amend 21fc176


Summary of changes:
 README.org   | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 ef-themes.el |  2 +-
 2 files changed, 82 insertions(+), 5 deletions(-)