master updated (c8d638ac -> 615e12f6)

[Arash Esbati]

esbati pushed a change to branch master.

      from  c8d638ac  Use `functionp' to recognize a function
       new  3d8d93e4  ; Make code more resilient
       new  615e12f6  Simplify implementation of style/tcolorbox.el


Summary of changes:
 style/enumitem.el  | 24 +++++++++++++-----------
 style/tcolorbox.el | 21 ++++++++++-----------
 2 files changed, 23 insertions(+), 22 deletions(-)