René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: bbox computed incorrectly when using a superscript","articleBody":"### Bug summary\n\nWhen including LaTeX with a superscript, the bbox is computed incorrectly.\n\n### Code for reproduction\n\n```python\nimport matplotlib.pyplot as plt\r\n\r\nkw = dict(\r\n    usetex=True,\r\n    fontsize=40,\r\n    bbox=dict(boxstyle='round,pad=0', fc='lightsteelblue', ec='none')\r\n)\r\n\r\nplt.axhline(y=0.7)\r\nplt.annotate('A', xy=(0.3, 0.7), **kw)\r\nplt.annotate(r'$A$', xy=(0.4, 0.7), **kw)\r\nplt.annotate(r'$^{\\tiny 1}A$', xy=(0.5, 0.7), **kw)\r\nplt.annotate(r'$^{\\tiny 1j}A$', xy=(0.65, 0.7), **kw)\r\n\r\nplt.axhline(y=0.4)\r\nplt.annotate('A', xy=(0.3, 0.4), va='bottom', **kw)\r\nplt.annotate(r'$A$', xy=(0.4, 0.4), va='bottom', **kw)\r\nplt.annotate(r'$^{1}A$', xy=(0.5, 0.4), va='bottom', **kw)\r\nplt.annotate(r'$^{1j}A$', xy=(0.65, 0.4), va='bottom', **kw)\r\n\r\nplt.show()\n```\n\n\n### Actual outcome\n\n![Figure_1](https://user-images.githubusercontent.com/4133644/142046943-ebe4ec7a-46c9-4e52-ae7b-e96ad4d781ce.png)\r\n\n\n### Expected outcome\n\nThe bounding box should correctly surround the superscript.\n\n### Additional information\n\nRelated bugs: #7075 #14177\n\n### Operating system\n\nUbuntu\n\n### Matplotlib Version\n\n3.5.0\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n3.8.10\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\npip","author":{"url":"https://github.com/kc9jud","@type":"Person","name":"kc9jud"},"datePublished":"2021-11-16T18:50:16.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/21653/matplotlib/issues/21653"}