René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"curses \"insstr\" does not handle newline properly on Mac OS","articleBody":"\u003c!--\r\n  If you're new to Python and you're not sure whether what you're experiencing is a bug, the CPython issue tracker is not\r\n  the right place to seek help. Consider the following options instead:\r\n\r\n  - reading the Python tutorial: https://docs.python.org/3/tutorial/\r\n  - posting in the \"Users\" category on discuss.python.org: https://discuss.python.org/c/users/7\r\n  - emailing the Python-list mailing list: https://mail.python.org/mailman/listinfo/python-list\r\n  - searching our issue tracker (https://github.com/python/cpython/issues) to see if\r\n    your problem has already been reported\r\n--\u003e\r\n\r\n# Bug report\r\n\r\n```\r\nimport curses\r\n\r\ndef bug(scr):\r\n    scr.addstr(\"first line\\n\")\r\n    scr.addstr(\"second line\")\r\n    scr.refresh()\r\n    scr.getch()\r\n    scr.insstr(0, 5, \"X\\nXX\")\r\n    scr.refresh()\r\n    scr.getch()\r\n\r\ncurses.wrapper(bug)\r\n```\r\n\r\nUsing Python 3.11.3 and 3.11.4 on Apple M2 Mac (Mac OS Ventura 13.4, iTerm and Terminal.app), Python 3.10.6 on Intel Mac (Mac OS Monterey 12.6, iTerm) produce:\r\n\u003cimg width=\"185\" alt=\"python_curses_bug_maxos\" src=\"https://github.com/python/cpython/assets/37314996/d5f9470d-dc54-49f3-a0c0-dba8642935ba\"\u003e\r\n\r\nPython 3.11.2 on Intel Ubuntu 22.04 (in GNOME terminal) produces correct behavior. An equivalent C program using ncurses directly on the above Macs (in the same terminal) also produces correct behavior. \r\n![python_curses_correct](https://github.com/python/cpython/assets/37314996/d7047d74-bf71-4549-9df3-4d12166f081c)\r\n\r\n\r\n\u003c!--\r\nYou can freely edit this text. Remove any lines you believe are unnecessary.\r\n--\u003e\r\n","author":{"url":"https://github.com/yzhanglbto","@type":"Person","name":"yzhanglbto"},"datePublished":"2023-07-25T20:27:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/107267/cpython/issues/107267"}