[elpa] externals/leaf updated (b1fe4f2 -> ab5cc26)

[Stefan Monnier]

monnier pushed a change to branch externals/leaf.

      from  b1fe4f2   Merge pull request #481 from Z572/fix-leaf-find-regexp
       new  317879f   Add :bind-keymap, :bind-keymap*
       new  5c3647d   add testcases
       new  de55bed   update document, tagged v4.4.1
       new  e4343f1   Merge pull request #483 from conao3/feature#266
       new  839d2f0   fix typo; key -> key*
       new  8ad0eb8   tagged v4.4.2
       new  ff2f4ec   Merge pull request #484 from conao3/feature#482
       new  2378904   implement :pre-setf, :pre-push, :setf, :push keywords
       new  e99647d   update document, tagged v4.4.3
       new  34f0f1d   Merge pull request #485 from conao3/feature#470
       new  0c7118e   fix readme link
       new  102e73b   tagged v4.4.4
       new  ab5cc26   Merge pull request #487 from conao3/feature#486


Summary of changes:
 README.md     | 163 +++++++++++++++++++++++++++++++++++++-
 README.org    | 246 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 leaf-tests.el | 166 ++++++++++++++++++++++++++++++++++++++-
 leaf.el       |  91 +++++++++++++++++++---
 4 files changed, 654 insertions(+), 12 deletions(-)