matplotlib
diff --git a/‎doc/api/api_changes/2017-01-30-AL_negative_bar_height_width.rst
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+7Lines changed: 7 additions & 0 deletions b/‎doc/api/api_changes/2017-01-30-AL_negative_bar_height_width.rst
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diff --git a/‎lib/matplotlib/axes/_axes.py
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-6Lines changed: 0 additions & 6 deletions b/‎lib/matplotlib/axes/_axes.py
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diff --git a/‎lib/matplotlib/tests/test_axes.py
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-11Lines changed: 0 additions & 11 deletions b/‎lib/matplotlib/tests/test_axes.py
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@@ -0,0 +1,7 @@
+`bar` now returns rectangles of negative height or width if the corresponding input is negative
+```````````````````````````````````````````````````````````````````````````````````````````````
+
+`plt.bar` used to normalize the coordinates of the rectangles that it created,
+to keep their height and width positives, even if the corresponding input was
+negative.  This normalization has been removed to permit a simpler computation
+of the correct `sticky_edges` to use.
@@ -2113,12 +2113,6 @@ def make_iterable(x):
 
         args = zip(left, bottom, width, height, color, edgecolor, linewidth)
         for l, b, w, h, c, e, lw in args:
-            if h < 0:
-                b += h
-                h = abs(h)
-            if w < 0:
-                l += w
-                w = abs(w)
             r = mpatches.Rectangle(
                 xy=(l, b), width=w, height=h,
                 facecolor=c,
 
@@ -4379,17 +4379,6 @@ def test_rc_major_minor_tick():
         assert yax._minor_tick_kw['tick2On'] == True
 
 
-@cleanup
-def test_bar_negative_width():
-    fig, ax = plt.subplots()
-    res = ax.bar(range(1, 5), range(1, 5), width=-1)
-    assert len(res) == 4
-    for indx, b in enumerate(res):
-        assert b._x == indx
-        assert b._width == 1
-        assert b._height == indx + 1
-
-
 @cleanup
 def test_square_plot():
     x = np.arange(4)