Merge branch 'fill-columns'

diff --cc which-key.el
index 0efae1cd8ccee785bb6f2838f6367343da7ff078,55779bfff0d9d44a7ff16500564c4d4e2457bed8..b3b525a6b4fd0cf6919a01df2b0f11f7d8d4dd50
--- 1/which-key.el
--- 2/which-key.el
+++ b/which-key.el
@@@ -23,9 -23,10 +23,10 @@@
  
  (require 'cl-lib)
  (require 's)
+ (require 'dash)
  
  (defgroup which-key nil "Customization options for which-key-mode")
 -(defcustom which-key-idle-delay 1
 +(defcustom which-key-idle-delay 1.0
    "Delay (in seconds) for which-key buffer to popup."
    :group 'which-key
    :type 'float)