Clarify how a FancyArrowPatch behaves

dstansby · dstansby · commit 719d55674ab5 · 2017-06-02T15:51:18.000+01:00
diff --git a/lib/matplotlib/patches.py b/lib/matplotlib/patches.py
@@ -3995,6 +3995,10 @@ def transmute(self, path, mutation_size, linewidth):
 class FancyArrowPatch(Patch):
     """
     A fancy arrow patch. It draws an arrow using the :class:`ArrowStyle`.
+
+    The head and tail positions are fixed at the specified start and end points
+    of the arrow, but the size and shape of the arrow does not change when the
+    axis is moved or zoomed.
     """
     _edge_default = True
 
