Call imagemagick-register-types automatically.

* lisp/image.el (imagemagick--extension-regexp): New variable.
(imagemagick-register-types): Use it.
(imagemagick-types-inhibit): Add :set function.  Allow new value
of t to inhibit all types.

* lisp/loadup.el (fboundp): Preload regexp-opt, needed by
imagemagick-register-types.

* lisp/emacs-lisp/regexp-opt.el (regexp-opt-charset): Avoid cl macros,
so we can preload it.

1 files changed, 8 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 56a0c9bf95d..03ec5405803 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -35,6 +35,14 @@ been adding them there, put them somewhere else, eg site-lisp.
 ** If your Emacs was built from a bzr checkout, the new variable
 `emacs-bzr-version' contains information about which bzr revision was used.
 
+** ImageMagick support, if available, is automatically enabled.
+It is no longer necessary to call `imagemagick-register-types'
+explicitly to install ImageMagick image types; that function is called
+automatically when setting `imagemagick-types-inhibit'.
+
+*** Setting `imagemagick-types-inhibit' to t now disables the use of
+ImageMagick to view images, set
+
 
 * Editing Changes in Emacs 24.2