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Description
Bug summary
When adding contour label positions manually (either via clicking or specifying an iterable of positions), contours with disconnected parts are not handled correctly, but sometimes rejoined seemingly arbitrarily.
Code for reproduction
import matplotlib.pyplot as plt
import numpy as np
fig, ax = plt.subplots()
x, y = np.mgrid[-1:1:21j, -1:1:21j]
cs = ax.contour(x, y, 1/np.sqrt(0.01+(x+0.3)**2+y**2) + 1/np.sqrt(0.01+(x-0.3)**2+y**2), levels=[7])
cs.clabel(manual=[(0.2, 0.1)])Actual outcome
Expected outcome
As it looked in matplotlib 3.7.3:
Additional information
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Operating system
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Matplotlib Version
3.8.0
Matplotlib Backend
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Python version
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Jupyter version
No response
Installation
conda
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