Fixed errant statement recently added to the contour docs. Also removed old, outdated statement about masked arrays.

WeatherGod · WeatherGod · commit 618681707224 · 2011-06-03T09:47:11.000-05:00
diff --git a/lib/matplotlib/contour.py b/lib/matplotlib/contour.py
@@ -1292,10 +1292,9 @@ def _initialize_x_y(self, z):
         Use keyword args to control colors, linewidth, origin, cmap ... see
         below for more details.
 
-        *X*, *Y*, and *Z* must be arrays broadcastable to the same dimensions.
-
-        *Z* may be a masked array, but filled contouring may not
-        handle internal masked regions correctly.
+        *X* and *Y* must both be 2-D with the same shape as *Z*, or they
+        must both be 1-D such that ``len(X)`` is the number of columns in
+        *Z* and ``len(Y)`` is the number of rows in *Z*.
 
         ``C = contour(...)`` returns a
         :class:`~matplotlib.contour.QuadContourSet` object.
