1Changes for 0.84
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4.. code-block:: text
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6    Unified argument handling between hlines and vlines.  Both now
7    take optionally a fmt argument (as in plot) and a keyword args
8    that can be passed onto Line2D.
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10    Removed all references to "data clipping" in rc and lines.py since
11    these were not used and not optimized.  I'm sure they'll be
12    resurrected later with a better implementation when needed.
13
14    'set' removed - no more deprecation warnings.  Use 'setp' instead.
15
16    Backend developers: Added flipud method to image and removed it
17    from to_str.  Removed origin kwarg from backend.draw_image.
18    origin is handled entirely by the frontend now.
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