master updated (54876bf498 -> 7b1c0c3442)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  54876bf498 Reduce complexity of scroll bar window protection code
       new  b74ee91122 image-dired: Various code clean ups
       new  7bac1d0b60 image-dired: Use command substitution for tags bindings
       new  8a224e5124 * lisp/emacs-lisp/shortdoc.el (file-name): Improve 
examples.
       new  09711d396a Improve image-dired-thumbnail-display-external
       new  143f23e8c0 ; Make 'M-x image-dired' prompt even clearer
       new  7b1c0c3442 ; * lisp/image/image-dired.el: Improve sectioning.


Summary of changes:
 lisp/emacs-lisp/shortdoc.el    |   6 +-
 lisp/image/image-dired-tags.el |  13 +++--
 lisp/image/image-dired.el      | 122 ++++++++++++++++++++++-------------------
 3 files changed, 76 insertions(+), 65 deletions(-)