[elpa] externals/leaf updated (bf870b1 -> a4fd520)

[Stefan Monnier]

monnier pushed a change to branch externals/leaf.

      from  bf870b1   Merge pull request #495 from conao3/feature#494
       new  99d64eb   Revert "add :leaf-defer-let system keyword and move 
:leaf-defer `let` hack"
       new  ed1b50d   Revert "fix testcases"
       new  c66dede   rewrite Fix `leaf-find'in embedded leaf block
       new  2eea8f4   remove not supported version emacs docker
       new  0bd023a   fix testcases
       new  af0d4d8   Merge pull request #496 from 
Z572/fix-leaf-find-in-embedded-leaf-block-2
       new  37dd2ba   defun -> defsubst; leaf-this-file is expanded in 
:leaf-path Sexp
       new  024ea5f   Merge pull request #498 from conao3/feature#497
       new  34f96a4   use bound-and-true-p instead of just eval variable
       new  58d4326   Merge pull request #499 from conao3/feature#497-2
       new  db9676b   add added doc keyword
       new  9a20d00   tagged v4.5.2
       new  a4fd520   Merge pull request #500 from 
conao3/feature-leaf-keywords#145


Summary of changes:
 Makefile      |  2 +-
 leaf-tests.el |  1 -
 leaf.el       | 27 ++++++++++++---------------
 3 files changed, 13 insertions(+), 17 deletions(-)