René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Backgroundcolor of text is set in a too wide range","articleBody":"### Bug summary\n\nBackgroundcolor of text is set in a too wide range when setting it for the first time.\nProblem: Border of first color remains when backgroundcolor is set again.\n\n![Image](https://github.com/user-attachments/assets/c21c328e-d9bc-4800-a6aa-dcd5cefcc5c5)\n\n\n### Code for reproduction\n\n```Python\n''' Backgroundcolor of text is set in a too wide range when setting it for the first time.\n    Problem: Border of first color remains when backgroundcolor is set again.'''\n\n# windows 11\n# Python version 3.13.2\n# Matplotlib version 3.10.1\n\nimport matplotlib.pyplot as plt\n\nfig, ax = plt.subplots(1, 1)\nfig.set_dpi(100)\n\ntxt   = ax.text(0.1, 0.8, 'There should not be a red border around this text !')\n\n##txt.set(backgroundcolor='none')     # Uncomment this line as workaround to avoid red border\ntxt.set(backgroundcolor='red')        # Set backgroundcolor for the first time\ntxt.set(backgroundcolor='none')       # Cannot reset backgroundcolor of text completely, red border remains\n\nplt.show()\n```\n\n### Actual outcome\n\nText with red border, see picture above.\n\n### Expected outcome\n\nText without red border.\n\n### Additional information\n\nThere is a workaround for the first, but not a fix, see Python program above.\n\n### Operating system\n\nWindows\n\n### Matplotlib Version\n\n3.10.1\n\n### Matplotlib Backend\n\ntkagg\n\n### Python version\n\n3.13.2\n\n### Jupyter version\n\n-\n\n### Installation\n\npip","author":{"url":"https://github.com/siegbert7","@type":"Person","name":"siegbert7"},"datePublished":"2025-04-06T08:27:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/29874/matplotlib/issues/29874"}