master updated (b7338d8 -> 21ef174)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  b7338d8   Cleanup append-to-buffer section in ELisp Intro
       new  cb10eed   Silence byte-compiler in multisession-tests.el
       new  21ef174   * lisp/dired.el (dired-mode-map): Use defvar-keymap.


Summary of changes:
 lisp/dired.el                              | 292 ++++++++++++++---------------
 test/lisp/emacs-lisp/multisession-tests.el | 104 +++++-----
 2 files changed, 197 insertions(+), 199 deletions(-)