imagemagick-render-type fixes

* src/image.c (imagemagick-render-type): Change it from a lisp object
to an integer.  Move the doc here from the lisp manual.
Treat all values not equal to 0 the same.

* doc/lispref/display.texi (ImageMagick Images):
Move most details of imagemagick-render-type to the variable's doc.

* lisp/cus-start.el (imagemagick-render-type): Add it.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 860a0592e29..6438f054432 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-07  Glenn Morris  <rgm@gnu.org>
+
+        * image.c (imagemagick-render-type): Change it from a lisp object
+        to an integer.  Move the doc here from the lisp manual.
+        Treat all values not equal to 0 the same.
+
 2012-02-06  Chong Yidong  <cyd@gnu.org>
 
         * doc.c (store_function_docstring): Avoid applying docstring of