Function test_cleanup_empty_styles_removes_empty

src/text_input.rs:2843–2846

()

        #[test]
        fn test_cleanup_empty_styles_removes_empty() {
            let (result, _) = cleanup_empty_styles("{red|}", 999);
            assert_eq!(result, ""); // cursor not inside, remove it
        }

        #[test]
        fn test_cleanup_empty_styles_keeps_if_cursor_inside() {