René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Secondary axis doesn't resize properly","articleBody":"From @ImportanceOfBeingErnest \r\n\r\nI just ran the first example from this PR and the result looks like this on screen:\r\n\r\n![image](https://user-images.githubusercontent.com/23121882/52608564-be978680-2e7a-11e9-8ed7-7fbc1eb2609d.png)\r\n\r\nIf resizing the figure window with the mouse this can become as bad as \r\n\r\n![image](https://user-images.githubusercontent.com/23121882/52608660-e71f8080-2e7a-11e9-872f-f7e95a9c7f52.png)\r\n\r\nThe saved figure is fine though. \r\n(This is with master fetched a few minutes ago, python 3.6.6 on windows 8.1, Qt5Agg) \r\n\r\nLet me know if you need further details or want me to test anything particular with my configuration.\r\n\r\n_Originally posted by @ImportanceOfBeingErnest in https://github.com/matplotlib/matplotlib/pull/11859#issuecomment-462596594_","author":{"url":"https://github.com/jklymak","@type":"Person","name":"jklymak"},"datePublished":"2019-02-12T03:11:49.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/13417/matplotlib/issues/13417"}