master updated (f9504ff -> b641c17)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  f9504ff   * lisp/progmodes/sh-script.el: Remove old non-SMIE 
indentation code
       new  557b790   Add new help command describe-keymap
       new  330228d   Provide default for describe-keymap prompt
       new  b641c17   Silence byte-compiler warning


Summary of changes:
 doc/emacs/help.texi         |  5 +++
 doc/lispref/keymaps.texi    |  7 +++-
 etc/NEWS                    |  5 +++
 lisp/dired.el               |  1 +
 lisp/help-fns.el            | 97 +++++++++++++++++++++++++++++++++++++++++++++
 test/lisp/help-fns-tests.el | 37 +++++++++++++++++
 6 files changed, 150 insertions(+), 2 deletions(-)