René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"The linestyle 'None',  ' ' and '' not supported by PathPatch.","articleBody":"The linestyle 'None',  ' ' and '' not supported by PathPatch.\nLine2D support these values, but PathPatch not.\n\nthe documentation say, that these are acceptable values:\nhttp://matplotlib.org/api/patches_api.html#matplotlib.patches.PathPatch\n\n``` python\nfrom matplotlib import pylab\nfrom matplotlib.patches import PathPatch\nfrom matplotlib.path import Path\npylab.plot([0,1,2], [4,5,6], ls='solid') #ok\npylab.plot([0,1,2], [3,4,5], ls='-') #ok\npylab.plot([0,1,2], [3,5,7], ls='None') #ok\npylab.gca().add_patch(PathPatch(Path([(3,0), (2,1)]), fill=False, ls='-')) #ok\npylab.gca().add_patch(PathPatch(Path([(3,1), (2,2)]), fill=False, ls='solid')) #ok\npylab.gca().add_patch(PathPatch(Path([(3,2), (2,3)]), fill=False, ls='None')) # !!! ERROR\npylab.show()\n```\n\nthe exact error message:\n File \"...\\site-packages\\matplotlib\\backend_bases.py\", line 1064, in set_linestyle\n    raise ValueError('Unrecognized linestyle: %s' % str(style))\nValueError: Unrecognized linestyle: None\n\nversion: matplotlib 1.5.0\n","author":{"url":"https://github.com/Rezangyal","@type":"Person","name":"Rezangyal"},"datePublished":"2015-11-19T19:34:35.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/5519/matplotlib/issues/5519"}