master updated (e3a10c8 -> 756c209)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  e3a10c8   * lisp/emacs-lisp/cl-macs.el (natnum): Fix typo
       new  9db76af   ; * lisp/image-mode.el (image-mode): Minor doc fix.
       new  8fda677   image-mode: Advertize viewing as text less eagerly
       new  756c209   * lisp/image.el (image): Add :prefix and :link.


Summary of changes:
 etc/NEWS           |  6 ++++++
 lisp/image-mode.el | 48 +++++++++++++++++++++++++++++-------------------
 lisp/image.el      |  2 ++
 3 files changed, 37 insertions(+), 19 deletions(-)