added deprecation note to API changes

ivanov · ivanov · commit 845ac07b0221 · 2012-12-14T13:31:43.000-08:00
diff --git a/doc/api/api_changes.rst b/doc/api/api_changes.rst
@@ -19,6 +19,9 @@ Changes in 1.3.x
   :class:`~matplotlib.colorbar.ColorbarBase` allows one to control the shape
   of colorbar extensions.
 
+* The `~matplotlib.mpl` module is now deprecated. Those who relied on this
+  module should transition to simply using `import matplotlib as mpl`.
+
 Changes in 1.2.x
 ================
 
