| <!DOCTYPE html> | |
| <meta charset="UTF-8"> | |
| <title>Line break suppression with soft hyphen</title> | |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> | |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> | |
| <body style="width: 1px"> | |
| x<ruby>a</ruby> |