René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"a bug that latex expression with subscripts exceeds bbox ","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n\r\n\r\nthe background box for a text object that is composed via latex with subscript can not be covered by the box if letting the padding of the box be equal to 0\r\n\r\n\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\n\r\n\r\n\r\n\u003c!--A minimum code snippet required to reproduce the bug.\r\nPlease make sure to minimize the number of dependencies required, and provide\r\nany necessary plotted data.\r\nAvoid using threads, as Matplotlib is (explicitly) not thread-safe.--\u003e\r\n\r\n```python\r\nax.annotate(r'$A_{\\tiny 1}$', xy=(0.5,0.5), bbox=dict(boxstyle='round,pad=0', fc='w', ec='none'))\r\n```\r\n\r\n**Expected outcome** : the text has a white background as small as possible and include all of the text\r\n\r\n**Actual outcome** : the text always exceeds the bbox unless using a bigger padding that is ugly\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n\r\n\r\n\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system: windows 10 x64\r\n  * Matplotlib version:  3.0.2\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): tkagg\r\n  * Python version: 3.7.0\r\n  * Jupyter version (if applicable):\r\n  * Other libraries: \r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/qm1900","@type":"Person","name":"qm1900"},"datePublished":"2019-05-09T13:18:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/14177/matplotlib/issues/14177"}