René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`Copy` button copies line numbers","articleBody":"To reproduce, copy any code-block with `:linenos:` on [this page](https://docs.python.org/3.15/howto/a-conceptual-overview-of-asyncio.html#a-conceptual-overview-of-asyncio), using the \"Copy\" button.\n\nThe result:\n\n```\n\u003e\u003e\u003e 1class Rock:\n...  2    def __await__(self):\n...  3        value_sent_in = yield 7\n...  4        print(f\"Rock.__await__ resuming with value: {value_sent_in}.\")\n...  5        return value_sent_in\n...  6\n...  7async def main():\n...  8    print(\"Beginning coroutine main().\")\n...  9    rock = Rock()\n[...]\n```\n\ncc @tomasr8 ","author":{"url":"https://github.com/StanFromIreland","@type":"Person","name":"StanFromIreland"},"datePublished":"2025-08-30T14:54:40.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/251/python-docs-theme/issues/251"}