Bug report

Bug summary

The clear() method on a Figure should be a synonym for clf() but it does not support the keep_observers argument.

Code for reproduction

fig = plt.figure()
fig.clf(keep_observers=True)
    
fig = plt.figure()
fig.clear(keep_observers=True)

Actual outcome

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-23-6f57c5667d07> in <module>()
----> 1 fig.clear(keep_observers=True)

TypeError: clear() got an unexpected keyword argument 'keep_observers'

Expected outcome

The two synonyms should work identically

Matplotlib version

2.0.0, but confirmed in latest code.

• Operating System:
• Matplotlib Version:
• Python Version:
• Jupyter Version (if applicable):
• Other Libraries: