added deprecation note to API changes

ivanov · dmcdougall · commit d277c4ef3bf7 · 2013-01-16T13:55:20.000-06:00
diff --git a/doc/api/api_changes.rst b/doc/api/api_changes.rst
@@ -24,6 +24,9 @@ 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
 ================
 
